Agent for oxidatively dyeing keratin fibers
An agent for oxidatively dyeing keratinous fibers, in particular human hair, containing, in a cosmetic carrier, at least one oxidation dye precursor or the developer type, isatin, and at least one oxidizing agent and related systems and methods.
1 . A multi-component packaging unit for oxidatively dyeing keratin fibers, the multi-component packaging unit comprising:
a first container containing a dye, the dye comprising:
at least one oxidation dye precursor of the developer type selected from the group consisting of p-toluylenediamine, 2-methoxymethyl-p-phenylenediamine, 2-(2-hydroxy-hydroxyethyl)-p-phenylenediamine, N,N-bis(2-hydroxy-hydroxyethyl)-p-phenylenediamine, p-phenylenediamine and physiologically acceptable salts thereof;
isatin; and
at least one oxidation dye precursor of the coupler type selected from the group consisting of 3-aminophenol, 5-amino-2-methylphenol, 3-amino-2-chloro-6-methylphenol, 2-hydroxy-4-aminophenoxyethanol, 5-amino-4-chloro-2-methylphenol, 5-(2-hydroxyethyl)amino-2-methylphenol, 2,4-dichloro-3-aminophenol, 2-aminophenol, 3-phenylenediamine, 2-(2,4-diaminophenoxy)ethanol, 1,3-bis(2,4-diaminophenoxy)propane, 1-methoxy-2-amino-4-(2-hydroxyethylamino)benzene, 1,3-bis (2,4-diaminophenyl)propane, 2,6-bis(2′-hydroxyethyl)-1-methylbenzene, 1-amino-3-bis (2-hydroxyethyl)aminobenzene, 2-amino-3-hydroxypyridine, 3-amino-2-methylamino-6-methoxypyridine, 2,6-dihydroxy-3,4-dimethylpyridine, 3,5-diamino-2,6-dimethoxypyridine, 1-phenyl-3-methylpyrazol-5-one, 1-naphthol, 1,5-dihydroxynaphthalene, 2,7-dihydroxynaphthalene, 1,7-dihydroxynaphthalene, 1,8-dihydroxynaphthalene, 4-hydroxyindole, 6-hydroxyindole, 7-hydroxyindole, 4-hydroxyindoline, 6-hydroxyindoline, 7-hydroxyindoline, any mixture thereof, and any physiologically acceptable salt thereof; and
a second container containing an oxidation composition, the oxidation composition comprising:
at least one oxidizing agent selected from the group consisting of hydrogen peroxide and its addition products with organic or inorganic compounds,
wherein the first contained and the second container are packaged separately from one another.
2 . The multi-component packaging unit of claim 1 , wherein the at least one oxidation dye precursor of the developer type is selected from the group consisting of p-toluylenediamine, 2-methoxymethyl-p-phenylenediamine, and physiologically acceptable salts thereof.
3 . The multi-component packaging unit of claim 1 , wherein the at least one oxidation dye precursor of the developer type is present in an amount, based on the total weight of the dye and oxidation composition, ranging from 0.001 to 10.0 wt. %.
4 . The multi-component packaging unit of claim 3 , wherein the at least one oxidation dye precursor of the developer type is present in an amount, based on the total weight of the dye and oxidation composition, ranging from 0.01 to 6.0 wt %.
5 . The multi-component packaging unit of claim 4 , wherein the at least one oxidation dye precursor of the developer type is present in an amount, based on the total weight of the dye and oxidation composition, ranging from 0.1 to 5.0 wt. %.
6 . The multi-component packaging unit of claim 1 , wherein the isatin is present in an amount, based on the total weight of the dye and oxidation composition, ranging from 0.001 to 10 wt. %.
7 . The multi-component packaging unit of claim 6 , wherein the isatin is present in an amount, based on the total weight of the dye and oxidation composition, ranging from 0.01 to 5 wt. %.
8 . The multi-component packaging unit of claim 7 , wherein the isatin is present in an amount, based on the total weight of the dye and oxidation composition, ranging from 0.15 to 2.5 wt. %.
9 . The multi-component packaging unit of claim 1 , wherein a weight ratio of the at least one oxidation dye precursor of the developer type to the isatin in the dye has a value ranging from 2:1 to 1:2.
10 . The multi-component packaging unit of claim 9 , wherein a weight ratio of the at least one oxidation dye precursor of the developer type to the isatin in the dye has a value ranging from 1.7:1 to 1.2:1.
11 . The multi-component packaging unit of claim 1 , wherein the at least one oxidizing agent is present in an amount, based on the total weight of the dye, ranging from 0.5 to 20 wt. %.
12 . The multi-component packaging unit of claim 11 , wherein the at least one oxidizing agent is present in an amount, based on the total weight of the dye, ranging from 2.5 to 10 wt. %.
13 . The multi-component packaging unit of claim 1 , wherein the at least one oxidation dye precursor of the coupler type is selected from the group consisting of 3-aminophenol, 5-amino-2-methylphenol, 3-amino-2-chloro-6-methylphenol, 2-amino-3-hydroxypyridine, 1-methoxy-2-amino-4-(2-hydroxyethylamino)enzene, 6-hydroxyindole, any mixture thereof, and any physiologically acceptable salt thereof.
14 . The multi-component packaging unit of claim 1 , wherein the at least one oxidation dye precursor of the coupler type is present in an amount, based on the total weight of the dye and oxidation composition, ranging from 0.001 to 10 wt. %.
15 . The multi-component packaging unit of claim 1 , wherein in the dye further comprises at least one resorcinol-type coupler present in an amount, based on the total weight of the dye and oxidation composition, below 0.1 wt. %.
16 . The multi-component packaging unit of claim 1 , wherein the dye further comprises at least one surfactant selected from the group of anionic surfactants, amphoteric surfactants, zwitterionic surfactants, and nonionic surfactants.
17 . The agent multi-component packaging unit of claim 1 , wherein the agent comprises less than 25 wt % of fatty components, based on the total weight of the dye and oxidation composition.