Indoanilines

The present invention relates to dialkylamine indoanilines of the formula ##STR2## wherein R.sub.1 represents hydrogen, halogen, alkyl or alkoxy; R.sub.2 and R.sub.3 represent alkyl, R.sub.4, R.sub.5 and R.sub.6 each independently represents hydrogen, halogen, alkyl, alkoxy, acylamino, ureido or carbalkoxy amino, R.sub.5 can also represent amino, alkylamino, hydroxyalkylamino or carbamylalkylamino, with the proviso that R.sub.5 cannot represent hydrogen, chlorine, methyl or methoxy and when R.sub.5 represents acetylamino, R.sub.6 does not represent hydrogen (the above alkyl and alkoxy groups can contain from 1 to 6 carbon atoms and the acyl group can obtain from 2 to 7 carbom atoms). The present invention also relates to a process for preparing these compounds and to the preparation of dye compositions for keratinic fibers and in particular for living human hair containing said compounds. It will be appreciated that the above compounds can be present under tautomeric forms of that which is represented by formula (I).

Among the tautomer forms possible, one can cite the formula ##STR3## and when R.sub.5 designates an amino, alkylamino, hydroxyalkylamino, or carbamylalkylamino, the formula ##STR4## wherein R.sub.1 to R.sub.6 have the meanings given above and R represents hydrogen, alkyl, hydroxyalkyl, or carbamylalkyl.

The compounds of formula (I) can be prepared by condensing a compound of the formula ##STR5## wherein Z represents NH.sub.2, or NO when R.sub.1 is in meta position relative to the -NR.sub.2 R.sub.3 group, on a phenolic compound of the formula ##STR6## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 have the meanings given above, or the meanings given on page 7.

In a first method of preparation, when Z represents NH.sub.2, one condenses the phenolic compound of formula (III) on a paraphenylenediamine of the formula ##STR7## wherein R.sub.1, R.sub.2 and R.sub.3 have the meanings given above in an aqueous alkaline medium, in a hydroalcoholic medium, preferably hydroethanolic or hydroisopropanolic or in a hydroacetonic medium having a pH greater than 8 in the presence of an oxidizing agent and at a temperature of about 0.degree. C.

The ratio of the phenolic compound to the paraphenylenediamine is between about 1:1 and 1:2, this ratio generally being about 1:1.

The oxidizing agent usefully employed in this condensation reaction can be, for example, H.sub.2 O.sub.2, an alkaline persulfate, for example, the persulfate of potassium or ammonium, an alkaline ferricyanide, for example potassium ferricyanide. The quantity of the oxidizing agent employed can vary from 1-5 times preferably 1-3 times the stoichiometric amount required for oxidizing the p-phenylenediamine to a quinone diimine.

As phenols, one can use 2-methyl-5-ureido phenol, 2-methyl-5-acetylamino phenol, 2-methyl-5-amino phenol, 2-methyl-5-methylamino phenol, 3-ureido phenol, 2,6-dimethyl-5-acetylamino phenol, 2,6-dimethyl-3-amino phenol, 2,6-xylenol, 2-acetylamino phenol, meta-aminophenol, 2,6-dimethyl-3-ureido phenol, 3-methoxy phenol, 3-acetylamino phenol, 2-methyl-5-carbamylmethylaminophenol, 2,6-dimethylphenol, 2-methyl-5-carbethoxyamino phenol, 2,6-dimethyl-5-amino phenol, 2-methyl-5-(N-.beta.-hydroxyethylamino) phenol, 2,5-dimethyl phenol, 2,3-xylenol, 2-ureido phenol, 2-chloro-5-amino phenol, 2-chloro-5-acetylamino phenol and 3-chloro-6-acetylamino phenol.

As the paraphenylenediamines one can use, for instance, N,N-dimethyl paraphenylenediamine, 2-methyl-4,-N,N-diethylamino aniline, 4-N,N-diethylamino-2-chloroaniline, 3-methoxy-4-amino-N,N-dimethyl aniline, 3-chloro-4-amino-N,N-dimethyl aniline, 3-methyl-4-amino-dimethyl aniline, N,N-diethyl-p-phenylenediamine, 4-N,N-diethylamino-3-chloroaniline, 4-N,N-dimethylamino-3-chloroaniline and N,N-dibutyl-p-phenylenediamine.

The paraphenylenediamines can be replaced by one of their salts and in particular by the hydrochloride, hydrobromide, sulfate or phosphate thereof.

In a second method of the present invention, when Z represents NO, one condenses the phenolic compound of formula (III) on a nitroso derivative of formula (V) ##STR8## wherein R.sub.1, R.sub.2 and R.sub.3 have the meanings given above. This condensation reaction is effected in an aqueous or hydroalcoholic medium preferably a hydroethanolic or a hydroispropanolic medium at a temperature between about 30.degree. and 60.degree. C., and preferably between 40.degree. and 55.degree. C.

Representative nitroso compounds that can usefully be employed include, 4-nitroso-N,N-dibutylaniline, 3-chloro-4-nitroso diethylaniline and 3-methoxy-4-nitroso-N,N-dimethylaniline.

The compounds wherein R.sub.1 is in a position ortho relative to the --NR.sub.2 R.sub.3 group and R.sub.5 is amino can be obtained by hydrolysis using a base such as NaOH on the corresponding 3-acetylated derivative.

The indoanilines of formula (I), wherein R.sub.1 represents hydrogen, halogen, alkyl or alkoxy; R.sub.2 and R.sub.3 represent alkyl; R.sub.4, R.sub.5 and R.sub.6 each independently represents hydrogen, halogen, alkyl, alkoxy, acylamino, ureido, or carbalkoxyamino and R.sub.5 can also designate amino, alkylamino, hydroxyalkylamino or carbamylalkylamino (the above alkyl groups being able to contain 1 to 6 carbon atoms) with the proviso that R.sub.5 does not represent hydrogen, chlorine, methoxy or methyl and when R.sub.5 represents acetylamino, R.sub.6 does not represent hydrogen, are new compounds.

Additionally, the following are new compounds:

N-[(4'-diethylamino-2'-methyl)phenyl]-2,6-dimethyl benzoquinoneimine,

N-[(4'-diethylamino-2'-chloro)phenyl]-2-acetamino benzoquinoneimine,

N-[(4'-dimethylamino-2'-methyl)phenyl]-2,6-dimethyl benzoquinoneimine,

N-[(4'-dimethylamino-2'-chloro)phenyl]-2,6-dimethyl benzoquinoneimine,

N-[(4'-dimethylamino-2'-methoxy)phenyl]-2,6-dimethyl benzoquinoneimine, and

N-[(4'-dimethylamino-3'-chloro)phenyl]-2,6-dimethylbenzoquinoneimine.

The present invention also has for an object the dyes obtained by the condensation of a compound of formula (II) on a compound of formula (III), as well as dyes obtained by the hydrolysis of a compound acetylated in position 3 in the corresponding aminated dye.

The dyes find an interesting application in the dyeing of keratinic fibers and in particular of living human hair.

The present invention also has for an object a dye composition for keratinic fibers, in particular for living human hair, characterized by the fact that they include in an aqueous or hydroalcoholic solution, at least one compound of formula (I) ##STR9## wherein R.sub.1 represents hydrogen, halogen, alkyl or alkoxy; R.sub.2 and R.sub.3 each independently represents alkyl; R.sub.4, R.sub.5 and R.sub.6 each independently represent hydrogen, halogen, alkyl, alkoxy, acylamino, ureido, or carbalkoxyamino and R.sub.5 can also represent amino, alkylamino, hydroxyalkylamino or carbamylalkylamino; it being understood that the alkyl groups can contain from 1 to 6 carbon atoms and the acyl groups can contain from 2 to 7 carbon atoms.

These dye compositions include from 0.0075 to 2% and preferably from 0.02 to 0.5% of the compound of formula (I) of the total weight of the composition.

The dye compositions according to the present invention can include only the indoanilines of formula (I).

It is, however, possible to mix the dyes according to the invention with other dyes conventionally utilized for the dyeing of hair, for example nitro benzene dyes, azo dyes, anthraquinone dyes, indamines, indophenols and/or other indoanilines.

The compositions according to the present invention are generally present in the form of an aqueous or hydroalcoholic solution containing one or more compounds of formula (I), in mixture or not with other dyes. They can, however, also include thickening agents and be present in the form of creams or gels.

To illustrate thickening agents that can be incorporated in the dye compositions of the present invention, one can mention cellulose derivatives such a methylcellulose, hydroxyethylcellulose, carboxymethylcellulose or acrylic polymers such as the sodium salt of polyacrylic acid or carboxyvinyl polymers.

The dye compositions can include as solvents, water, lower alkanols, such as ethanol or isopropanol, polyalcohols such as glycols, for example, ethyleneglycol, propyleneglycol, butylglycol, diethyleneglycol and the monomethylether of diethyleneglycol.

The compositions according to the invention can also include various components conventionally utilized in cosmetic preparations, such as wetting agents, for example, oxyethylenated alkyl phenols, oxyethylenated fatty acids, oxyethylenated fatty alcohols, the sulfates and sulfonates of fatty alcohols optionally oxyethylenated, dispersing agents, swelling agents, penetrating agents, emollients, polymers and/or perfumes. They can also be packaged in aerosol containers under pressure in the presence of a gaseous propellent.

One can use as the gaseous propellent, nitrogen, nitrous oxide, volatile hydrocarbons such as butane, isobutane, propane or preferably the fluoronated hydrocarbons sold under the name of FREON by Dupont, such a dichlorodifluoromethane, 1,1-difluoromethane, 1,2-dichloro-(1,1,2,2-tetrafluoromethane) or 1-chloro-1,1-difluoromethane; a mixture of two or more hydrocarbons or fluoronated hydrocarbons can also be utilized.

The pH of the compositions can vary to a large extent. It is generally between about 4 to 11 and preferably between 6.5 and 10.5 and advantageously between 7 and 9.

One can adjust the pH of the composition with an alkalizing agent for example, ammonia, mono-, di- or triethanolamine, trisodium or disodium phosphate, sodium or potassium carbonate or with an acidifying agent for example, acetic acid, lactic acid, phosphoric acid, or citric acid.

The dyeing of keratinic fibers, in particular, living human hair, with the dye compositions according to the present invention can be effected in a conventional manner by applying the composition to the fibers to be dyed, permitting said composition to remain in contact therewith for a period varying from 5 to 30 minutes, followed by rinsing and eventually washing and drying the fibers.

The compositions according to the invention, when present in the form of a hydroalcoholic solution, can also include a cosmetic film-forming resin and thus constitute a colored hair setting lotion which can be applied to wet hair before the hair is set.

Representative cosmetic resins that can be employed in these hair setting lotion compositions include polyvinyl pyrrolidone; copolymers of polyvinylpyrrolidone and vinyl acetate; copolymers of vinyl acetate and an unsaturated carboxylic acid, such as crotonic acid; copolymers resulting from the copolymerization of vinyl acetate, crotonic acid and an acrylic or methacrylic ester; copolymers resulting from the copolymerization of vinyl acetate and a vinyl alkyl ether; copolymers resulting from the copolymerization of vinyl acetate, crotonic acid and a vinyl ester of a long carbon chain acid or an acrylic or methacrylic ester of a long carbon chain acid; copolymers resulting from the copolymerization of an ester derived from an unsaturated alcohol and short carbon chain acid, from an unsaturated acid having a short carbon chain, and from at least one ester derived from an unsaturated short chain alcohol and an unsaturated acid; and copolymers resulting from the copolymerization of at least one unsaturated ester and at least one unsaturated acid.

Representative preferred resins include polyvinylpyrrolidone having a molecular weight from 10,000 to 160,000; copolymers of 10% crotonic acid and 90% vinyl acetate having a molecular weight from 10,000 to 70,000; copolymers of polyvinylpyrrolidone (PVP) and vinyl acetate (VA) having a molecular weight of 30,000 to 200,000, the ratio of PVP to VA being between about 30:70 and 70:30; copolymers of maleic anhydride and methylvinyl ether having a molar ratio of 1:1 and a specific viscosity, measured at 25.degree. C. at a concentration of 1 gram in 100 cc of methylethyl ketone, between 0.1 and 3.5; the monoethyl ester, monoisopropyl ester and monobutyl ester of these copolymers of maleic anhydride and methylvinyl ether; the copolymer of maleic anhydride and of butylvinyl ether having a mole ratio of 1:1; the terpolymers of methylmethacrylate (15 to 25%) - stearylmethacrylate (18 to 28%) and dimethylmethacrylate (52 to 62%); and the terpolymers of vinyl acetate (75 to 85%) - allylstearate (10 to 20%) and allyloxyacetic acid (3 to 10%).

These resins are used generally in amounts between about 1 to 3% by weight of the total composition.

The alcohols employed to produce the hair setting lotions according to the present invention are low molcular weight alcohols and preferably are ethanol or isopropanol. These alcohols are generally used in amounts of about 20 to 70% by weight of the total composition.

The hair setting lotions according to the present invention can be employed in a conventional manner by applying the same to living human hair previously washed and rinsed, followed by rolling the same on rollers and then drying the hair.

The invention is illustrated by the following examples:

Preparation of N-[(4'-dimethylamino)phenyl]-2-methyl-5-ureido benzoquinoneimine. ##STR10##

0.1 mole (16.6 grams) of 2-methyl-5-ureido phenol is dissolved in 400 cc of isopropyl alcohol to which have been added 400 cc of ammonia at 22.degree. Be. To this solution, there is added 0.1 mole (20.9 grams) of the dihydrochloride of N,N-dimethyl paraphenylenediamine in 650 cc of water. After adding to this mixture 800 g of crushed ice, there is introduced, little by little, with good agitation and while maintaining the temperature near 0.degree. C., 0.2 mole (45.6 g) of ammonium persulfate in 150 cc of water. At the end of this addition, the above indoaniline which has precipitated is filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum. It exhibits a melting point of 275.degree. C.

Preparation of N-[(4'-dimethylamino)phenyl]-2-methyl-5-acetylamino benzoquinoneimine. ##STR11##

0.16 mole (26.4 g) of 2-methyl-5-acetylamino phenol is dissolved in 700 cc of isopropanol to which have been added 800 cc of ammonia at 22.degree. Be. To this solution, there is added 0.176 mole (36.8 g) of the dihydrochloride of N,N-dimethylparaphenylenediamine in 100 cc of water and 1.3 kg of crushed ice. There is then added to the resulting mixture, whose temperature is maintained at about 0.degree. C. little by little, and with agitation, 0.352 moles (80.25 g) of ammonium persulfate in 200 cc of water. At the end of this addition the above indoaniline which has precipitated is filtered, washed with water and recrystallized in a mixture of dimethylformamide and water. The above product exhibits a melting point of 180.degree. C.

Preparation of N-[(4'-dimethylamino)phenyl]-2-methyl-5-amino benzoquinoneimine. ##STR12##

0.2 mole (24.6 g) of 2-methyl-5-amino phenol is dissolved in 500 cc of acetone to which have been added 200 cc of water and 500 cc of ammonia at 22.degree.Be. There are then added 500 g of crushed ice. Little by little and with agitation, there are introduced into this reaction mixture, maintained at about 5.degree. C. simultaneously with the aid of a double funnel, 0.2 mole (41.8 g) of the dihydrochloride of N,N-dimethyl paraphenylenediamine in 320 cc of water and 0.2 mole (45.8 g) of ammonium persulfate in 200 cc of water. At the end of this addition, the above indoaniline, which has precipitated, is filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum. It exhibits a melting point of 255.degree. C.

Preparation of N-[(4'-dimethylamino)phenyl]-2-methyl-5-methylamino benzoquinoneimine. ##STR13##

0.025 mole (3.42 g) of 2-methyl-5-methylamino phenol is dissolved in 100 cc of water to which have been added 100 cc of ammonia at 22.degree.Be. 150 g of crushed ice are then added to this solution. The resulting reaction mixture is maintained at a temperature of about 5.degree. C. There are then introduced simultaneously, with good agitation and with the aid of a double funnel, 0.025 mole (5.23 g) of the dihydrochloride of N,N-dimethyl paraphenylenediamine in 50 cc of water and 0.025 mole (5.7 g) of ammonium persulfate in 50 cc of water. The above indoaniline which has precipitated is then filtered, washed with water and recrystallized in a mixture of dimethylformamide and water. After drying under a vacuum, it exhibits a melting point of 202.degree. C.

Preparation of N-[(4'-dimethylamino)phenyl]-3-ureido benzoquinoneimine. ##STR14##

0.03 mole (4.56 g) of 3-ureido phenol is dissolved in 100 cc of isopropyl alcohol to which have been added 100 cc of ammonia at 22.degree.Be. 350 g of crushed ice are then added to this solution. The resulting reaction mixture is maintained at about 0.degree. C., and there are introduced simultaneously, with good agitation and with the aid of a double funnel, 0.03 mole (6.27 g) of the dihydrochloride of N,N-dimethyl paraphenylenediamine in 50 cc of water and 0.060 mole (13.7 g) of ammonium persulfate in 50 cc of water. At the end of this addition, the agitation is continued for 15 minutes and the above indoaniline is continued for 15 minutes and the above indoaniline which has precipitated is then filtered, washed with water, recrystallized in a mixture of dimethylformamide in water and dried under a vacuum. It exhibits a melting point of 226.degree. C.

Preparation of N-[(4'-dimethylamino) phenyl]-2,6-dimethyl-3-acetylamino benzoquinoneimine. ##STR15##

0.3 mole (53.7 g) of 2,6-dimethyl-3-acetylamino phenol is dissolved in 400 cc of acetone to which have been added 400 cc of ammonia at 22.degree.Be. The resulting mixture is maintained at a temperature of about 10.degree. C., and there are introduced therein simultaneously, with the aid of a double funnel, 0.3 mole (62.7 g) of the dihydrochloride of N,N-dimethyl paraphenylenediamine in 500 cc of water and 0.6 mole (137 g) of ammonium persulfate in 500 cc of water. The above indoaniline which precipitates is then filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum. It exhibits a melting point of 111.degree. C.

Preparation of N-[(4'-dimethylamino) phenyl]-2,6-dimethyl-3-amino benzoquinoneimine. ##STR16##

0.4 mole (69.4 g) of 2,6-dimethyl-3-amino phenol is dissolved in 1 liter of acetone to which has been added 1 liter of ammonia at 22.degree.Be. 1 kg of crushed ice is then added to this solution and then with the aid of a double funnel, there are introduced simultaneously, with good agitation, 0.4 mole (83.6 g) of the dihydrochloride of N,N-dimethylparaphenylenediamine in 1 liter of water and 0.44 mole (100 g) of ammonium persulfate in 800 cc of water. The temperature of the reaction mixture is maintained at about 0.degree. C. At the end of the addition, the raw product is filtered, washed with water and recrystallized in a mixture of dimethylformamide and water. After drying under a vacuum, the above indoaniline exhibits a melting point of 178.degree. C.

Preparation of N-[(4'-diethylamino-2'-methyl) phenyl]-2,6-dimethyl benzoquinoneimine. ##STR17##

0.01 mole (2.51 g) of the dihydrochloride of 2-methyl-4-N,N-diethylamino aniline and 0.01 mole (1.22 g) of 2,6-xylenol are dissolved in 85 cc of normal sodium hydroxide solution to which have been added 20 cc of ethanol. Little by little, to this solution, with agiytation and while maintaining the temperature near about 0.degree. C., there is added 0.02 mole (4.56 g) of ammonium persulfate in 46 cc of water. The raw indoaniline above is filtered, washed with water and recrystallized in a mixture of water and acetone. After drying under a vacuum, the product exhibits a melting point of 128.degree. C.

Preparation of N-[4'-diethylamino-2'-chloro) phenyl]-2-acetamino benzoquinoneimine. ##STR18##

0.01 mole (1.51 g) of 2-acetylamino phenol is dissolved in 25 cc of isopropyl alcohol to which have been added 25 cc of ammonia at 22 Be. There are then added 50 g of crushed ice. The resulting mixture is maintained at a temperature of about 0.degree. C., and there are then introduced simultaneously with agitiation, 0.01, mole (2.71 g) of the dihydrochloride of 2-chloro-4-N,N-diethylamino aniline in 20 cc of water and 0.02 mole (4.46 g) of ammonium persulfate in 25 cc of water. At the end of this addition, the above indoaniline which precipitates is filtered, washed with water, recrystallized in dimethylformamide, and dried under a vacuum. The product exhibits a melting point of 155.degree. C.

Preparation of N-[(4'-dimethylamino) phenyl]-3-amino benzoquinoneimine. ##STR19##

0.01 mole (2.09 g) of the dihydrochloride of N,N-diemthylparaphenylenediamine and, 0.01 mole (1.09 g) of metaaminophenol are dissolved in 40 cc of water to which have been added 7 cc of ammonia at 22.degree.Be. To this solution, cooled to 0.degree. C., there are added 20 cc of H.sub.2 O.sub.2 (20 volumes). The resulting reaction mixture is left to stand for 24 hours at ambient temperature. The raw product which has precipitated is then filtered, washed with water and dried under a vacuum. This raw product is then extracted 4 times with 100 cc of ether, at 20.degree. C. The etherified extracts are then combined and concentrated under a vacuum to a volume of about 10 cc. After cooling, the above indoaniline which has crystallized is filtered, recrystallized in dimethylformamide and dried under a vacuum. The product exhibits a melting point of 171.degree. C., and is chromatographically pure. Molecular mass calculated for C.sub.14 H.sub.15 N.sub.3 O:241. Molecular mass found by potentiometric dosage effected in methylisobutylketone with perchloric acid:240.

Preparation of N-[(4'-dimethylamino) phenyl]-2,6-diemthyl-5-ureido benzoquinoneimine. ##STR20##

0.2 mole (36 g) of 2,6-dimethyl-3-ureido phenol is dissolved in 1 liter of isopropyl alcohol to which have been added 800 cc of ammonia at 22.degree.Be. There are then added 800 g of crushed ice to this reaction mixture. Then, little by little and with good agitation, there are introduced simultaneously, 0.2 mole (41 g) of the dihydrochloride of N,N-dimethylparaphenylenediamine in 500 cc of water and 0.4mole (92 g) of ammonium persulfate in 500 cc of water. During the time of these additions, the temperature of the reaction mixture is maintained at about 0.degree. C. At the end of these additions, the above indoaniline is filtered, washed with water and dried under a vacuum. The product is chromatographically pure and melts at a temperature of 245.degree. C.

Preparation of N-[(4'-dibutylamino) phenyl]-2-methyl-5-carbamylmethylamino benzoquinoneimine. ##STR21##

0.01 mole (2.7 g) of the hydrochloride of 4-nitroso-N,N-dibutylaniline and 0.01 mole (1.80 g) of 2-methyl-5-carbamylmethylamino phenol are dissolved in 30 cc of a 50% hydroethanolic solution. The resulting reaction mixture is stirred for a period of 1 hour at 40.degree. C. The above raw indoaniline which has precipitated is then filtered and dissolved in 10 cc of dimethylformamide at ambient temperature. After filtration, in order to eliminate secondary insoluble products formed in a minor quantity, there are added 10 ml of water to reprecipitate the indoaniline which is then filtered, washed with water and dried under a vacuum. The product is chromatographically pure and melts at 169.degree. C.

Preparation of N-[(4'-diethylamino-2'-chloro)phenyl]-2,6-dimethyl-3-amino benzoquinoneimine. ##STR22##

Into 30 cc of ethanol to which have been added 20 cc of a normal sodium hydroxide solution, there are introduced 0.01 mole (2.12 g) of 3-chloro-4-nitroso diethylaniline and 0.011 mole (1.91 g) of the hydrochloride of 2,6-dimethyl-3-amino phenol. The mixture is maintained with agitation for 4 hours at 35.degree. C. The above indoaniline is then filtered, washed several times with water at 50.degree. C., and recrystallized in a mixture of dimethylformamide in water. The product exhibits a melting point of 160.degree. C.

Preparation of N-[(4'-dimethylamino) phenyl]-2-chloro-5-amino benzoquinoneimine. ##STR23##

0.01 mole (2.09 g) of the dihydrochloride of N,N-dimethylparaphenylenediamine and 0.01 mole (1.43 g) of 2-chloro-5-amino phenol are dissolved in 150 cc of a 0.7 N sodium hydroxide solution. To this solution, cooled to 0.degree. C., there is added, little by little, with agitation, 0.02 mole (4.60 g) of ammonium persulfate in solution in 20 cc of water. At the end of this addition, the agitation of the mixture is continued for an additional 15 minutes. The above indoaniline which precipitates is filtered, washed with water and then with acetone. The raw product is dissolved in dimethylformamide at 0.degree. C., (10 cc of dimethylformamide per gram of raw product). The resulting solution is then filtered to eliminate a slightly insoluble white product. After cooling the filtrate to 0.degree. C., the above indoaniline crystallizes in the form of reddish-brown flakes having golden glints. These flakes are filtered and dried under a vacuum. After drying, the product exhibits a melting point of 242.degree. C.

Preparation of N-[(4'-dimethylamino-2'-methyl)phenyl]-2,6-dimethyl benzoquinoneimine. ##STR24##

0.01 mole (1.22 g) of 2,6dimethyl phenol is dissolved in 20 cc of acetone, 5 cc of water and 15 cc of ammonia (22.degree.Be). To this solution, maintained at a temperature of about +5.degree. C., there are added, little by little, with agitation, and simultaneously with the aid of a double funnel, 0.01 mole (2.23 g) of the dihydrochloride of 3-methyl-4-amino-N,N-dimethylaniline dissolved in 15 cc of water and 0.02 mole (4.6 g) of ammonium persulfate dissolved in 20 cc of water. At the end of these additions, the stirring of the reaction mixture is continued for one hour at ambient temperature. The above indoaniline which has precipitated is then filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum. It exhibits a melting point of 157.degree. C.

Preparation of N-[(4'-dimethylamino-2'-chloro)phenyl]-2,6-dimethyl benzoquinoneimine. ##STR25##

0.01 mole (1.22 g) of 2,6-dimethyl phenol and 0.01 mole (2.44 g) of the dihydrochloride of 3-chloro-4-amino-N,N-dimethylaniline are dissolved in 20 cc of acetone, 15 cc of water and 15 cc of ammonia (22.degree.Be). To this resulting solution, cooled to about +5.degree. C., there is added, little by little, with agitiation, 0.02 mole of ammonium persulate dissolved in 20 cc of water. At the end of this addition, the stirring is continued for 30 minutes. The above indoaniline which has precipitated is filtered, washed with water and dried under a vacuum. It exhibits a melting point of 154.degree. C.

Preparation of N-[(4'-dimethylamino-2'-methoxy) pehnyl]-2,6-dimethyl benzoquinoneimine. ##STR26##

0.01 mole (2.64 g) of 3-methoxy-4-amino-N,N-dimethylaniline sulfate and 0.01 mole (1.22 g) of 2,6-dimethyl phenol are dissolved in 20 cc of water, 35 cc of acetone and 10 cc of ammonia (22.degree.Be). To the resulting solution, cooled in ice, there is added, little by little, with agitation, 0.02 mole (4.6 g) of ammonium persulfate in 20 cc of water. At the end of this addition the stirring of the rection mixture is continued for one hour. The above indoaniline which has precipitated is then filtered, washed first with water and then with acetone and dried under a vacuum. It exhibits a melting point of 140.degree. C.

Preparation of N-[(4'-dimethylamino-2'-methyl) phenyl]-6-methyl-3-amino benzoquinoneimine. ##STR27##

0.02 mole (2.46 g) of 2-methyl-5-amino phenol is dissolved in 40 cc of acetone, 10 cc of ice and 30 cc of ammonia (22.degree. Be). To the resulting solution, maintained at a temperature of about +5.degree. C., there are added, little by little, with agitation and simultaneously with the aid of a double funnel, 0.02 mole (4.46 g) of the dihydrochloride of 3-methyl-4-amino-N,N-dimethylaniline dissolved in 25 cc of water and 0.02 mole (4.6 g) of ammonium persulfate dissolved in 10 cc of water. At the end of this addition, the stirring of the reaction mixture is combined for one hour at ambient temperature. The above indoaniline which has precipitated is then filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum. It exhibits a melting point of 200.degree. C.

Preparation of N-[(4'-dimethylamino-2'-methoxy-)phenyl]-6-methyl-3-amino benzoquinoneimine. ##STR28##

0.012 mole (3.2 g) of 3-methoxy-4-amino-N,N-dimethylaniline sulfate and 0.02 mole (2.46 g) of 2-methyl-5-amino phenol are dissolved in 60 cc of a 50% hydroacetonic solution to which have been added 20 cc of ammonia (22.degree. Be). To the resulting solution, maintained at a temperature of about 0.degree. C., there is added, little by little, with agitation, 0.02 mole (4.6 g) of ammonium persulfate dissolved in 20 cc of water. At the end of this addition, stirring of the reaction mixture is continued for one hour at 0.degree. C. The above indoaniline which has precipitated is then filtered, washed first with water and then with a normal NaOH solution to eliminate the 2-methyl-5-amino phenol that it contains, and finally with water. After recrystallization in a mixture of dimethylformamide and water and drying under a vacuum, the product exhibits a melting point of 168.degree. C.

Preparation of N-[(4'-dimethylamino-2'-chloro) phenyl]-6-methyl-3-acetylamino benzo-quinoneimine. ##STR29##

0.01 mole (1.65 g) of 2-methyl-5-acetylamino phenol and 0.01 mole (2.44 g) of the dihydrochloride of 3-chloro-4-amino-N,N-dimethylaniline are dissolved in 20 cc of acetone to which have been added 15 cc of water and 15 cc of ammonia (22.degree. Be). To the resulting solution, maintained at a temperature of about +5.degree. C., there is added, little by little, with agitation, 0.02 mole (4.6 g) of ammonium persulfate in 20 cc of water. At the end of this addition, the stirring of the reaction mixture is continued for 30 minutes. The above indoaniline which precipitates is then filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum. It exhibits a melting point of 178.degree. C.

Preparation of N-[(4'-dimethylamino-2'-chloro) phenyl]-6-methyl-3-amino benzoquinoneimine. ##STR30##

0.01 mole (1.23 g) of 2-methyl-5-amino phenol is dissolved in 10 cc of acetone to which have been added 5 cc of water and 15 cc of ammonia (22.degree. Be). To the resulting solution, cooled to about +5.degree. C., there are added, little by little, with agitation and simultaneously with the use of a double funnel, 0.01 mole (2.44 g) of the dihydrochloride of 3-chloro-4-amino-N,N-dimethylaniline dissolved in 15 cc of water, and 0.01 mole (2.3 g) of ammonium persulfate dissolved in 10 cc of water. At the end of this addition, the stirring of the reaction mixture is continued for 30 minutes. The above indoaniline which has precipitated in the form of crystals is then filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum. It exhibits a melting point of 203.degree. C.

Preparation of N-[(4'-dimethylamino-2'-methyl) phenyl]-6-methyl-3-acetylamino benzoquinoneimine. ##STR31##

0.01 mole (1.65 g) of 2-methyl-5-acetylamino phenol is dissolved in 20 cc of acetone, 5 cc of water and 15 cc of ammonia (22.degree. Be). To the resulting solution, maintained at a temperature of about +5.degree. C., there are added, little by little, with agitation and simultaneously with the aid of a double funnel, 0.01 mole (2.23 g) of the dihydrochloride of 3-methyl-4-amino-N,N-dimethyl aniline dissolved in 15 cc of water, and 0.02 mole (4.6 g) of ammonium persulfate dissolved in 20 cc of water. At the end of this addition, the stirring of the reaction mixture is continued for one hour. The above indoaniline which has precipitated in the form of crystals, is filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum. It exhibits a melting point of 182.degree. C.

Preparation of N-[(4'-dimethylamino-2'-methoxy) phenyl]-6-methyl-3-acetylamino benzoquinoneimine. ##STR32##

0.01 mole (1.65 g) of 2-methyl-5-acetylamino phenol is dissolved in 50 cc of a 0.6 N NaOH solution. To the resulting solution, cooled to 0.degree. C., there are added, little by little, with agitation and simultaneously with the aid of a double funnel, 0.01 mole (2.64 g) of 3-methoxy-4-amino-N,N-dimethylaniline sulfate dissolved in 20 cc of water, and 0.02 mole (4.6 g) of ammonium persulfate dissolved in 20 cc of water to which have been added 5 cc of ammonia (22.degree. Be). At the end of this addition, the stirring of the reaction mixture is continued for 15 minutes. The above indoaniline which has precipitated is then filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum at 80.degree. C. It exhibits a melting point of 184.degree. C.

Preparation of N-[(4'-dimethylamino-2'-methoxy) phenyl]-6-methyl-3-carbethoxyamino benzoquinoneimine. ##STR33##

0.02 mole (5.28 g) of 3-methoxy-4-amino-N,N-dimethylaniline sulfate and 0.02 mole (3.9 g) of 2-methyl-5-carbethoxyamino phenol are dissolved in 25 cc of acetone, 50 cc of water and 15 cc of ammonia (22.degree. Be). To the resulting solution, cooled to about 0.degree. C., there is added, little by little, with agitation, 0.04 mole (9.2 g) of ammonium persulfate dissolved in 40 cc of water. At the end of this addition, stirring of the reaction mixture is continued for 30 minutes. The above indoaniline which has precipitated in the form of crystals is filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum at 100.degree. C. It exhibits a melting point of 182.degree. C.

Preparation of N-[(4'-dimethylamino-2'-methyl) phenyl]-2,6-dimethyl-3-amino benzoquinoneimine. ##STR34##

0.02 mole (3.47 g) of the hydrochloride of 2,6-dimethyl-5-amino phenol is dissolved in 40 cc of acetone, 10 cc of water and 30 cc of ammonia (22 Be). To the resulting solution, maintained at a temperature of about +5.degree. C., there are added, little by little, with agitation and simultaneously with the aid of a double funnel, 0.02 mole (4.46 g) of the dihydrochloride of 3-methyl-4-amino-N,N-dimethylaniline dissolved in 25 cc of water, and 0.02 mole (4.60 g) of ammonium persulfate dissolved in 20 cc of water. At the end of these additions, stirring of the reaction mixture is continued for one hour at ambient temperature. The above indoaniline which has precipitated in the form of crystals is filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum. It exhibits a melting point of 170.degree. C.

Preparation of N-[(4'-dimethylamino-2'-chloro) phenyl]-2,6-dimethyl-3-amino benzoquinoneimine. ##STR35##

0.02 mole (3.5 g) of the hydrochloride of 2,6-dimethyl-5-amino phenol and 0.022 mole (5.36 g ) of the dihydrochloride of 3-chloro-4-amino-N,N-dimethylaniline are dissolved in 50 cc of acetone, 40 cc of water and 40 cc of ammonia (22.degree. Be). To the resulting solution there are added 100 cc of H.sub.2 O.sub.2 (20 volumes) and the resulting mixture is left to stand for 6 hours at ambient temperature. The above indoaniline which has precipitated in the form of crystals is then filtered, washed with water and dried under a vacuum. It exhibits a melting point of 183.degree. C.

Preparation of N-[(4'-dimethylamino-2'-methoxy) phenyl]-2,6-dimethyl-3-amino benzoquinoneimine. ##STR36##

Into 50 cc of a 0.6 N NaOH solution to which have been added 20 cc of ethanol, there are introduced 0.02 mole (3.6 g) of 3-methoxy-4-nitroso-N,N-dimethylaniline and 0.022 mole (3.9 g) of the hydrochloride of 2,6-dimethyl-5-amino phenol. The resulting reaction mixture is stirred for one hour at 50.degree. C. The above indoaniline which precipitates is then filtered and washed several times with water at 50.degree. C., and then with acetone. After recrystallization in ethyl acetate and drying under a vacuum, it exhibits a melting point of 152.degree. C.

Preparation of N-[(4'-dimethylamino-2'-methyl) phenyl]-2,6-dimethyl-3-acetylamino benzoquinoneimine. ##STR37##

0.01 mole (1.79 g) of 2,6-dimethyl-5-acetylamino phenol is dissolved in 20 cc of acetone, 5 cc of water and 15 cc of ammonia (22.degree. Be). To the resulting solution, maintained at a temperature of about +5.degree. C., there are added, little by little, with agitation and simultaneously with the aid of a double funnel, 0.01 mole (2.23 g) of the dihydrochloride of 3-methyl-4-amino-N,N-dimethylaniline dissolved in 15 cc of water, and 0.02 mole (4.6 g) of ammonium persulfate dissolved in 20 cc of water. At the end of these additions, the stirring of the reaction mixture is continued for one hour at ambient temperature. The above indoaniline which has precipitated is then filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum. It exhibits a melting point of 184.degree. C.

Preparation of N-[(4'-dimethylamino-2'-chloro) phenyl]-2,6-dimethyl-3-acetylamino benzoquinoneimine. ##STR38##

0.01 mole (1.79 g) of 2,6-dimethyl-5-acetylamino phenol and 0.01 mole (2.44 g) of the dihydrochloride of 3-chloro-4-amino-N,N-dimethylaniline are dissolved in 20 cc of acetone, 15 cc of water and 15 cc of ammonia (22.degree. Be). To the resulting solution, cooled to about +5.degree. C., there is added, little by little, with agitation, 0.02 mole (4.6 g) of ammonium persulfate dissolved in 20 cc of water. At the end of this addition, the stirring of the reaction mixture is continued for 30 minutes. The above indoaniline which has precipitated is then filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum at 100.degree. C. It exhibits a melting point of 182.degree. C.

Preparation of N-[(4'-dimethylamino-2'-methoxy) phenyl]2,6-dimethyl-3-acetylamino benzoquinoneimine. ##STR39##

0.01 mole (2.64 g) of 3-methoxy-4-amino-N,N-dimethylaniline sulfate and 0.01 mole (1.8 g) of 2,6-dimethyl-5-acetylamino phenol are dissolved in 25 cc of acetone, 50 cc of water and 15 cc of ammonia (22.degree. Be). To the resulting solution, maintained at a temperature of about 0.degree. C., there is added, little by little, with agitation, 0.02 mole (4.6 g) of ammonium persulfate dissolved in 20 cc of water. At the end of this addition, the stirring of the reaction mixture is continued for 30 minutes. The above indoaniline which has precipitated is then filtered, washed first with water, then with a little dimethylformamide and finally with water. After drying under a vacuum, the product exhibits a melting point of 186.degree. C.

Preparation of N-](4'-dimethylamino-2'-chloro) phenyl]-6-methyl-3-(.beta.-hydroxyethylamino) benzoquinoneimine. ##STR40##

0.01 mole (1.67 g) of 2-methyl-5-(N-.beta.hydroxy-ethylamino) phenol is dissolved in 10 cc of acetone, 5 cc of water and 15 cc of ammonia (22.degree. Be). To the resulting solution, maintained at a temperature of about + 5.degree. C., there are added, little by little, with agitation and simultaneously with the aid of a double funnel, 0.01 mole (2.43 g) of the dihydrochloride of 3-chloro-4-amino-N,N-dimethylaniline dissolved in 15 cc of water, and 0.01 mole (2.3 g) of ammonium persulfate dissolved in 10 cc of water. At the end of these additions, the stirring of the reaction mixture is continued for 30 minutes. The above indoaniline which has precipitated in the form of crystals is then filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum. It exhibits a melting point of 176.degree. C.

Preparation of N-[(4,'-diethylamino-3'-methyl) phenyl]-6-methyl-3-acetylamino benzoquinoneimine. ##STR41##

0.0064 mole (1.06 g) of 2-methyl-5-acetylamino phenol and 0.0064 (1.65 g) of 2-methyl-4-amino-N,N-diethyl aniline are dissolved in 80 cc of a 50% hydroacetonic solution to which have been added 20 cc of ammonia (22.degree. Be). To the resulting solution, cooled to 0.degree. C., there is added, little by little, with a little agitation, 0.0128 mole (2.9 g) of ammonium persulfate dissolved in b 20 cc of water. The resulting reaction mixture is left to stand overnight at 0.degree. C. The above indoaniline which forms first as an oil, crystallizes and the resulting crystals are filtered, washed with water and recrystallized in a mixture of dimethylformamide and water. After drying under a vacuum the product exhibits a melting point of 84.degree. C.

Preparation of N-[(4'-dimethylamino-3'-chloro) phenyl]-2,6-dimethyl benzoquinoneimine. ##STR42##

0.01 mole (1.22 g) of 2,6-dimethyl phenol and 0.01 mole (1.70 g) of 2-chloro-4-amino-N,N-dimethyl aniline are dissolved in 30 cc of a 50% hydroacetonic solution to which have been added 15 cc of ammonia (22.degree.Be). To the resulting solution, maintained at a temperature of 0.degree. C., there is added, little by little, with agitation 0.02 mole (4.6 g) of ammonium persulfate dissolved in 20 cc of water. At the end of this addition, the stirring of the reaction mixture is continued for 30 minutes. The above indoaniline which has precipitated in the form of crystals is then filtered, washed with water and recrystallized in a mixture of dimethylformamide and water and dried under a vacuum. It exhibits a melting point of 62.degree. C.

Preparation of N-[(4'-dimethylamino-3'-chloro) phenyl]-6-methyl-3-amino benzoquinoneimine. ##STR43##

0.004 mole (1.33 g) of N-[(4'-dimethylamino-3'-chloro) phenyl]-6-methyl-3-acetylamino benzoquinoneimine is introduced into 32 cc of a 1N NaOH solution to which have been added 8 cc of ethyl alcohol (95.degree. titer). The resulting reaction mixture is agitated for a period of 24 hours while maintaining the temperature thereof at about 25.degree. C. The above indoaniline which precipitates is then filtered and washed with water. The raw product contains only a trace of the initial reactant (measured by chromatography). After recrystallization of this raw product in a mixture of dimethylformamide and water and washing with acetone it is chromatographically pure. After drying under a vacuum, it exhibits a melting point of 152.degree. C.

Preparation of N-[(4'-dimethylamino-3'-chloro) phenyl]-6-chloro-3-amino benzoquinoneimine. ##STR44##

0.01 mole (1.70 g) of 2-chloro-4-amino-N,N-dimethylaniline and 0.01 mole (1.43 g) of 2-chloro-5-amino phenol are dissolved in 20 cc of water, 30 cc of ethyl alcohol (95.degree. titer) and 10 cc of ammonia (22.degree. Be). To the resulting solution, maintained at a temperature of about 0.degree. C., there is added, little by little, with agitation, 0.01 mole (2.3 g) of ammonium persulfate dissolved in 20 cc of water. At the end of this addition, the stirring of the reaction mixture is continued for 30 minutes. The above indoaniline which has precipitated in the form of reddish brown flakes with golden glints is then filtered, washed with water and recrystallized in a mixture of dimethylformamide and water. After drying under a vacuum at 100.degree. C., the product exhibits a melting point of 182.degree. C.

Preparation of N-[(4'-dimethylamino-3'-chloro) phenyl]-2,6-dimethyl-3-amino benzoquinoneimine. ##STR45##

0.02 mole (3.47 g) of the hydrochloride of 2,6-dimethyl-5-amino phenol and 0.02 mole (3.42 g) of 2-chloro-4-amino-N,N-dimethylaniline are dissolved in 120 cc of a 50% hydroacetonic solution to which have been added 30 cc of ammonia (22.degree. Be). To the resulting solution, maintained at a temperature of 0.degree. C., there is added, little by little, with agitation 0.04 mole (9.2 g) of ammonium persulfate dissolved in 40 cc of water. At the end of this addition, the stirring of the reaction mixture is continued for 30 minutes at 0.degree. C. The above indoaniline which precipitates is then filtered, washed with water and recrystallized in a mixture of dimethylformamide and water. After drying under a vacuum at 60.degree. C., it exhibits a melting point of 137.degree. C.

Preparation of N-[(4'-dimethylamino-3'-chloro) phenyl]-6-methyl-3-acetylamino benzoquinoneimine. ##STR46##

0.01 mole (1.65 g) of 2-methyl-5-acetylamino phenol and 0.01 mole (1.71 g) of 2-chloro-4-amino-N,N-dimethylaniline are dissolved in 60 cc of a 50% hydroacetonic solution to which have been added 15 cc of ammonia (22.degree. Be). To the resulting solution, maintained at a temperature of about 0.degree. C., there is added, little by little, with agitation, 0.02 mole (4.6 g) of ammonium persulate dissolved in 20 cc of water. At the end of this addition, the stirring of the reaction mixture is continued for 30 minutes. The above indoaniline which has precipitated in the form of crystals is then filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum. It exhibits a melting point of 156.degree. C.

Preparation of N-[(4'-dimethylamino-3'-chloro) phenyl]-2,6-dimethyl-3-acetylamino benzoquinoneimine. ##STR47##

0.2 mole (35.8 g) of 2,6-dimethyl-5-acetylamino phenol and 0.2 mole (34.0 g) of 2-chloro-4-amino-N,N-dimethylaniline are dissolved in 600 cc of a 50% hydroacetonic solution to which have been added 300 cc of ammonia (22.degree. Be). To the resulting solution, maintained at a temperature of about +5.degree. C., there is added, little by little, with agitation, 0.4 mole (92 g) of ammonium persulfate dissolved in 400 cc of water. At the end of this addition, the stirring of the reaction mixture is continued for 30 minutes. The above indoaniline which has precipitated is then filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum. It exhibits a melting point of 136.degree. C.

Preparation of N-[(4'-dimethylamino-3'-chloro) phenyl]-6-methyl-3-carbethoxyamino benzoquinoneimine. ##STR48##

0.1 mole (17 g) of 2-chloro-4-amino-N,N-dimethylaniline and 0.1 mole (19.5 g) of 2-methyl-5-carbethoxyamino phenol are dissolved in 500 cc of ethyl alcohol (95.degree. titer), 250 cc of water and 150 cc of ammonia (22.degree. Be). To the resulting solution maintained at a temperature of about 0.degree. C., there is added, little by little, with agitation, 0.2 mole (46 g) of ammonium persulfate dissolved in 200 cc of water. At the end of this addition, the stirring of the reaction mixture is continued for one hour. The above indoaniline which has precipitated in the form of crystals is then filtered and washed with a 50% hydroethanolic solution. After recrystallization in a mixture of dimethylformamide and water and drying under a vacuum at 100.degree. C., the product exhibits a melting point of 142.degree. C.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a purple-ash shade.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a silvery, blue-gray coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a chatoyant sea-green coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a bright blue-green coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a Nordic ash-blond coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a silvery Prussian blue coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a pale glycine coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a mauve shade.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a light lavender-blue color.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a pale shade with golden lights.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a pale-green coloration with golden lights.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a bright sea-green coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a pearly, pale rose shade.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a steel, blue-gray coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a steel, blue-gray coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto an ash-gray coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a silvery, blue-green coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a pearly beige coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto, a rose-gray coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto, a light silvery-gray coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a light pearly blue coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a lightly violaceous blue coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a light pearly turquoise blue coloration.

This composition when applied as a hair setting location to bleached hair imparts thereto an intense violet coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a vary luminous parme coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a very silvery light violet coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a pearly rose beige coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a pearly light blue coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a light blue coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a silvery light blue-gray coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a silvery glycine coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a golden-rose coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a very luminous parme coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a myosotis cloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a silver-gray coloration with violet glints.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a intense French blue coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a pearly dog-rose coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a rose beige coloration with golden glints.

This composition when applied as a hair setting lotion to bleached hair imparts thereto an ash gray coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a mahogony coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a tamarisk rose coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a pink champagne coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a light yellow-orange coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a pearly rose beige coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a light orange coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a very luminous light salmon coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a salmon rose coloration.

This composition when applied as a hair setting lotion to bleached hair imparts thereto a golden sand coloration with light pink glints.

This composition when applied as a hair setting lotion to bleached hair imparts thereto an ash beige coloration.

This composition when applied as a hair setting lotion to 95% naturally white hair, imparts thereto a metallic gray coloration with violet glints.

This dye composition is applied for a period of thirty minutes to white hair at ambient temperature. The hair is then rinsed, shampooed, rinsed again and then dried. A pearly sea-green coloration is thus imparted to the hair.

This dye composition is applied for a period of thirty minutes to white hair at ambient temperature. The hair is then rinsed, shampooed, rinsed again and dried. The sea-green coloration is thus imparted to the hair.

This dye composition is applied to white hair for a period of thirty minutes at ambient temperature. After rinsing, shampooing, rinsing again and drying, a lavender-blue coloration is imparted to the hair.

This dye composition is applied for about thirty minutes to previously bleached hair. At the end of this period, the hair is rinsed and dried. A brilliant turquoise coloration is thus imparted to the hair.

This dye composition is applied for a period of twenty minutes at 35.degree. C., to bleached hair and after rinsing, shampooing, and rinsing again imparts thereto a turquoise blue coloration.

This dye composition is applied for a period of twenty-five minutes to 90% naturally white hair at 35.degree. C., and after rinsing, shampooing and rinsing again imparts thereto a blue gray coloration.

This dye composition is applied for a period of twenty minutes at 30.degree. C., to bleached hair and after rinsing, shampooing and rinsing again, imparts thereto a light silver coloration with mauve glints.

This dye composition is applied for a period of thirty minutes at 25.degree. C., to bleached hair and after rinsing, shampooing and rinsing again imparts thereto a golden rose coloration.

This dye composition is applied for a period of twenty-five minutes at 35.degree. C., to bleached hair and after rinsing, shampooing and rinsing again, imparts thereto a pearly light turquoise coloration.

This dye composition is applied for a period of twenty-five minutes at 35.degree. C., to bleached hair and after rinsing, shampooing and rinsing again, imparts thereto a light silver coloration with bluish glints.

This dye composition is applied for a period of twenty-five minutes at 35.degree. C., to 95% naturally white hair and after rinsing, shampooing and rinsing again, imparts theto a silver gray coloration with mauve glints.

This dye composition is applied for a period of twenty-five minutes at 20.degree. C., to bleached hair and after rinsing, shampooing and rinsing again, imparts thereto a silvery light blue coloration.

This dye composition is applied for a period of twenty minutes at ambient temperature to bleached hair and after rinsing, shampooing and rinsing again, imparts thereto a light golden blond coloration with pink glints.

This dye composition is applied for a period of twenty minutes at ambient temperature to bleached hair and after rinsing, shampooing and rinsing again, imparts thereto a pale golden pink coloration.

This dye composition is applied for a period of twenty minutes at 35.degree. C., to bleached hair and after rinsing, shampooing and rinsing again, imparts thereto a very luminous orange coloration.

This dye composition is applied for a period of twenty-five minutes at 35.degree. C., to bleached hair and after rinsing, shampooing and rinsing again, imparts thereto a pink beige coloration.

This dye composition is applied for a period of ten minutes at 35.degree. C., to bleached hair and after rinsing, shampooing and rinsing again, imparts thereto a tarmarisk-pink coloration.

This dye composition is applied for a period of twenty minutes at ambient temperature to bleached hair and imparts thereto a pearly golden sand coloration.

This dye composition is applied for a period of twenty minutes at ambient temperature to bleached hair and imparts thereto a dove gray coloration.

This dye composition is applied to white hair for a period of thirty minutes at ambient temperature. After rinsing, shampooing, rinsing again and drying, the hair exhibits a linden coloration with golden glints.

This dye composition is applied to white hair for a period of thirty minutes at ambient temperature. After rinsing, shampooing, rinsing again and drying, the hair exhibits a canary yellow coloration.

This dye composition is applied to white hair for a period of about thirty minutes at ambient temperature . After rinsing, shampooing, rinsing again and drying, the hair exhibits a yellow-green coloration.

This dye composition is applied to white hair for a period of thirty minutes at ambient temperature. After rinsing, shampooing, rinsing again and drying, the hair exhibits a brilliant lavender-blue coloration.

This dye composition is applied to white hair for a period of about thirty minutes at ambient temperature. After rinsing, shampooing, rinsing again and drying, the hair exhibits a gray-green coloration.

This dye composition is applied to white hair for a period of about thirty minutes at ambient temperature. After rinsing, shampooing, rinsing again and drying, the hair exhibits a parme shade.

This composition is applied to white hair for a period of about thirty minutes. At the end of this period, the hair is rinsed, washed with water rinsed again and dried. There is thus imparted to the hair a silvery-seal coloration.