Abstract: Agents for oxidatively dyeing of keratinic fibers include in a cosmetic carrier, (A) as a developer, 4,5-diamino-1-(2-hydroxyethyl)-1H-pyrazole and/or one of the physiologically acceptable salts thereof, (B) as a developer, p-aminophenol and/or one of the physiologically acceptable salts thereof, (C) as a coupler, 2,6-bis(2?-hydroxyethylamino)-1-methylbenzene and/or one of the physiologically acceptable salts thereof, and (D) as a coupler, at least one m-dihydroxybenzene derivative from the group consisting resorcinol, 2-methylresorcinol and/or 4-chlororesorcinol as coupler.

Abstract: The present disclosure relates to agents for dyeing keratin fibers, in particular human hair, containing, in a cosmetic carrier (a) at least one direct dye of formula (I), wherein Y1, Y2 independently represent a nitrogen atom or a group C—R9, and Q represents a special linker group of formula (II), (III), (IV) or (V), (b) at least one anionic surfactant and/or at least one cationic surfactant.

Abstract: The disclosure relates to agents for dyeing keratin fibers, in particular human hair, containing, in a cosmetic carrier (a) at least one direct dye of formula (I), wherein Het1, Het2 represent cationic heterocycles; R1, R3 respectively represent a substitute which is not hydrogen, and Q represents a grouping of formula (VIII), (IX), or (X).

Abstract: An agent for oxidatively dyeing of keratinic fibers includes, in a cosmetic carrier, (A) 4,5-diamino-1-(2-hydroxyethyl)-1H-pyrazole and/or one of the physiologically acceptable salts thereof as developer, (B) at least one pyrimidine derivative selected from 2,4,5,6-tetraaminopyrimidin, 4-hydroxy-2,5,6-triaminopyrimidin, 2-hydroxy-4,5,6-triaminopyrimidin and/or one of the physiologically acceptable salts thereof as developer, (C) at least one m-diaminobenzene derivative selected from 2-(2,4-diaminophenoxy)ethanol, 1-methoxy-2-amino-4-(2?-hydroxyethylamino)benzene, 2,6-bis(2?-hydroxy-ethylamino)-1-methylbenzene, and/or one of the physiologically acceptable salts thereof as coupler, and (D) at least one m-dihydroxybenzoyl derivative selected from resorcinol, 2-methylresorcinol and/or 4-chlororesorcinol as coupler.

Abstract: The subject matter of the present invention relates to an agent for oxidatively dyeing keratinous fibers, comprising, in a cosmetic carrier, (A) 4,5-diamino-1-(2-hydroxyethyl)-1H-pyrazole and/or one of the physiologically acceptable salts thereof as a developer, (B) at least one p-diaminobenzene derivative from the group of p-toluylenediamine, 2-(2,5-diaminophenyl)ethanol, and/or one of the physiologically acceptable salts thereof as a developer, (C) at least one m-diaminobenzene derivative from the group of 2-(2,4-diaminophenoxy)ethanol, 1-methoxy-2-amino-4-(2?-hydroxyethylamino)benzene, 2,6-bis(2?-hydroxyethylamino)-1-methylbenzene, and/or one of the physiologically acceptable salts thereof as a coupler, and (D) at least one m-aminophenol derivative from the group 3-aminophenol, 5-amino-2-methylphenol, and/or one of the physiologically acceptable salts thereof as a coupler, wherein the molar ratio of all developers of group (A) included in the agent to all developers of group (B) included in the agent, i.e.

Abstract: An agent for oxidatively dyeing of keratinic fibers includes, in a cosmetic carrier, (A) 4,5-diamino-1-(2-hydroxyethyl)-1H-pyrazole and/or one of the physiologically acceptable salts thereof as developer, (B) at least one pyrimidine derivative selected from 2,4,5,6-tetraaminopyrimidin, 4-hydroxy-2,5,6-triaminopyrimidin, 2-hydroxy-4,5,6-triaminopyrimidin and/or one of the physiologically acceptable salts thereof as developer, (C) at least one m-diaminobenzene derivative selected from 2-(2,4-diaminophenoxy)ethanol, 1-methoxy-2-amino-4-(2?-hydroxyethylamino)benzene, 2,6-bis(2?-hydroxy-ethylamino)-1-methylbenzene, and/or one of the physiologically acceptable salts thereof as coupler, and (D) at least one m-dihydroxybenzoyl derivative selected from resorcinol, 2-methylresorcinol and/or 4-chlororesorcinol as coupler.

Abstract: Agents for oxidatively dyeing of keratinic fibers include in a cosmetic carrier, (A) as a developer, 4,5-diamino-1-(2-hydroxyethyl)-1H-pyrazole and/or one of the physiologically acceptable salts thereof, (B) as a developer, p-aminophenol and/or one of the physiologically acceptable salts thereof, (C) as a coupler, 2,6-bis(2?-hydroxyethylamino)-1-methylbenzene and/or one of the physiologically acceptable salts thereof, and (D) as a coupler, at least one m-dihydroxybenzene derivative from the group consisting resorcinol, 2-methylresorcinol and/or 4-chlororesorcinol as coupler.

Abstract: Agents for coloring and/or matting keratinic fibers, in particular human hair, include in a cosmetic carrier at least one specific substituted 1,4-diaminoanthraquinone derivative of formula (I), wherein the residues (R2, R4) mutually independently denote a grouping of formula (II). The cosmetic method of using these agents can be for producing intense blue shades and for matting keratin fibers.

Abstract: Agents for coloring and/or matting keratinic fibers, in particular human hair, include in a cosmetic carrier at least one specific substituted 1,4-diaminoanthraquinone derivative of formula (I), wherein the residues (R2, R4) mutually independently denote a grouping of formula (II). The cosmetic method of using these agents can be for producing intense blue shades and for matting keratin fibers.

Abstract: The present specification provides for an agent for coloring keratinic fibers. The agent includes, a cosmetic carrier, a compound of formula (I), R1 and R2 independently of one another denote hydrogen, a C1-C6 alkyl group, a C2-C6 alkenyl group, a hydroxyl group, a halogen, a C1-C6 alkoxy group, an amino group, a nitro group, an acetyl amino group, or a sulfonamide group; or when in ortho-position to one another, form a 5- or 6-membered, saturated or unsaturated ring, which optionally include further heteroatoms.

Abstract: The present specification provides for an agent for coloring keratinic fibers. The agent includes, a cosmetic carrier, a compound of formula (I), R1 and R2 independently of one another denote hydrogen, a C1-C6 alkyl group, a C2-C6 alkenyl group, a hydroxyl group, a halogen, a C1-C6 alkoxy group, an amino group, a nitro group, an acetyl amino group, or a sulfonamide group; or when in ortho-position to one another, form a 5- or 6-membered, saturated or unsaturated ring, which optionally include further heteroatoms.

Abstract: An agent for the oxidative dyeing of keratinous fibres is provided. The agent contains, as a developer-type oxidation dye precursor, a compound of Formula (I) that carries at least one cationic charge in Y.

Abstract: An agent for the oxidative dyeing of keratinous fibers is provided. The agent contains, as a developer-type oxidation dye precursor, a compound of Formula (I) that carries at least one cationic charge in Y.

Abstract: The invention provides an agent for lightening keratinic fibers, the agent containing in a cosmetic carrier (i) at least one acyl pyridinium derivative of formula (I), (ii) at least one alkalizing agent selected from triethanolamine, 2-amino-2-methylpropan-1-ol, 2-amino-2-methylpropane-1,3-diol, lysine, ornithine and/or an alkalizing agent mixture comprising at least one basic amino acid and at least one alkanolamine, and (iii) at least hydrogen peroxide as an oxidizing agent.

Abstract: The invention provides an agent for lightening keratinic fibers, the agent containing in a cosmetic carrier (i) at least one acyl pyridinium derivative of formula (I), (ii) at least one cationic polysaccharide, and (iii) at least hydrogen peroxide as an oxidizing agent.

Abstract: The invention provides an agent for lightening keratinic fibers, the agent containing in a cosmetic carrier (i) at least one acyl pyridinium derivative of formula (I), (ii) at least one cationic polysaccharide, and (iii) at least hydrogen peroxide as an oxidizing agent.

Abstract: The invention provides an agent for lightening keratinic fibers, the agent containing in a cosmetic carrier (i) at least one acyl pyridinium derivative of formula (I), (ii) at least one alkalizing agent selected from triethanolamine, 2-amino-2-methylpropan-1-ol, 2-amino-2-methylpropane-1,3-diol, lysine, ornithine and/or an alkalizing agent mixture comprising at least one basic amino acid and at least one alkanolamine, and (iii) at least hydrogen peroxide as an oxidizing agent.

Abstract: Dicationic azo dyes of the formula (I), which are suitable for coloring keratin fibers, in particular human hair, and are in part themselves still not described in the prior art are provided. In colorations, particularly brilliant and luminous red shades are obtained. Agents for dyeing and optionally simultaneously lightening keratin fibers and methods for dyeing and optionally simultaneously lightening keratinic fibers also are provided.

Abstract: Cosmetic hair post-treatment agent for improving washing fastness of coloring processes produced on hair and for color fixing, the post-treatment agent containing, in a cosmetic carrier, at least one acetylpyridinium derivative of formula (I) wherein R1 is a C1 to C6 alkyl group, a C2 to C6 alkenyl group, a C2 to C6 hydroxyalkyl group, a C1 to C6 alkoxy-C2 to C6 alkyl group, a carboxy-C2 to C6 alkyl group, an aryl-C1 to C6 alkyl group, a heteroaryl-C1 to C6 alkyl group, an aryl group, or a heteroaryl group, and X? is a physiologically acceptable anion.

Abstract: Agent for lightening keratin fibers, particularly human hair. The agent for lightening keratin fibers contains at least one cationic phthalimide of formula (I) in addition to an oxidant in a cosmetic carrier.