Abstract: An oxidative dyeing composition comprising a combination of a 1-hexyl/heptyl-4,5-diaminopyrazole compound of formula (I) or a physiologically compatible, water-soluble salt thereof in combination with a naphthalen-1-ol compound of formula (II) or a physiologically compatible, water-soluble salt thereof wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10 and R11 are as defined herein and a=1 or 2.

Abstract: A composition for the oxidative dyeing of keratin fibers, in particular human keratin fibers, comprising (A) a 1-hexyl/heptyl-4,5-diaminopyrazole compound of the general formula (I), its physiologically compatible water-soluble salt, or mixtures thereof; and (B) a benzo[1,3]dioxol-5-ylamine compound of the general formula (II), its physiologically compatible water-soluble salt, or mixtures thereof; and (C) an oxidizing agent wherein R1, R2, R3, R4, R5, R6 and R7 are as defined herein and a=1 or 2.

Abstract: A soluble solid hair coloring article having anionic direct dye and one or more soluble porous solids containing nonionic surfactant, anionic surfactant, or a mixture thereof, such that the soluble porous solid has a density of from about 0.03 g/cm3 to about 0.15 g/cm3; and methods of applying the soluble solid hair coloring article to hair.

Abstract: A soluble solid hair coloring article having cationic direct dye and one or more soluble porous solids containing nonionic surfactant, cationic surfactant, or a mixture thereof, such that the one or more soluble porous solids have a density of from about 0.03 g/cm3 to about 0.15 g/cm3; and methods of applying the soluble solid hair coloring article to hair.

Abstract: A soluble solid hair coloring article having anionic direct dye and one or more soluble porous solids containing nonionic surfactant, anionic surfactant, or a mixture thereof, such that the soluble porous solid has a density of from about 0.03 g/cm3 to about 0.

Abstract: A soluble solid hair coloring article having cationic direct dye and one or more soluble porous solids containing nonionic surfactant, cationic surfactant, or a mixture thereof, such that the one or more soluble porous solids have a density of from about 0.03 g/cm3 to about 0.15 g/cm3; and methods of applying the soluble solid hair coloring article to hair.

Abstract: An oxidative dyeing composition comprising (A) a 1-hexyl/heptyl-4,5-diaminopyrazole compound of the general formula (I), its physiologically compatible water-soluble salt, or mixtures thereof; (B) a benzene-1,3-diol compound of the general formula (II), its physiologically compatible water-soluble salt, or mixtures thereof, and (C) an oxidizing agent.

Abstract: Compositions for the oxidative dyeing of keratin fibers, in particular human keratin fibers, comprising (A) a 1-hexyl/heptyl-4,5-diaminopyrazole compound of the general formula (I), its physiologically compatible water-soluble salt, or mixtures thereof and; (B) a m-aminophenol compound of the general formula (II), its physiologically compatible water-soluble salt, or mixtures thereof; and (C) an oxidizing agent. wherein R1, R2, R3, R4, R5, R6, R7, R8 and R9 are as defined herein and a=1 or 2.

Abstract: An oxidative dyeing composition comprising a combination of a 1-hexyl/heptyl-4,5-diaminopyrazole compound of formula (I) or a physiologically compatible, water-soluble salt thereof in combination with a naphthalen-1-ol compound of formula (II) or a physiologically compatible, water-soluble salt thereof wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10 and R11 are as defined herein and a=1 or 2.

Abstract: An oxidative dyeing composition comprising a 1-hexyl-4,5-diaminopyrazole compound or a 1-heptyl-4,5-diaminopyrazole compound of formula (I) in combination with a 2-aminophenol compound of formula (II): wherein R1, R2, R3, R4, R5, R6 and R7 are as defined herein and a=1 or 2. The composition provides good hair color intensity together with good wash and bleeding fastness.

Abstract: A composition for the oxidative dyeing of keratin fibers, in particular human keratin fibers comprising (A) a 1-hexyl/heptyl-4,5-diaminopyrazole compound of the general formula (I), a physiologically compatible water-soluble salt thereof, or mixtures thereof, and; (B) a benzene-1,3-diamine compound of the general formula (II), a physiologically compatible water-soluble salt thereof or mixtures thereof, and (C) an oxidizing agent. wherein R1, R2, R3, R4, R5, R6, R7, R8 and R9 are as defined herein and a=1 or 2.

Abstract: A composition for the oxidative dyeing of keratin fibers, in particular human keratin fibers, comprising (A) a 1-hexyl/heptyl-4,5-diaminopyrazole compound of the general formula (I), its physiologically compatible water-soluble salt, or mixtures thereof; and (B) a benzo[1,3]dioxol-5-ylamine compound of the general formula (II), its physiologically compatible water-soluble salt, or mixtures thereof; and (C) an oxidizing agent. wherein R1, R2, R3, R4, R5, R6 and R7 are as defined herein and a=1 or 2.

Abstract: A composition for the oxidative dyeing of keratin fibers, in particular human keratin fibers, comprising (A) a 1-hexyl/heptyl-4,5-diaminopyrazole compound of the general formula (I), its physiologically compatible water-soluble salt, or mixtures thereof; (B) a pyridine compound of the general formula (II), its physiologically compatible water-soluble salt, or mixtures thereof; and (C) an oxidizing agent. wherein R1, R2, R3, R4, R5, R6, R7 and R8 are as defined herein and a=1 or 2.

Abstract: Disclosed is a method of making a 2-substituted-1,4-benzenediamine by nucleophilic aromatic substitution.

Abstract: The invention relates to colorant compositions for the oxidative dyeing of keratin fibers comprising radical scavengers in the dyeing composition. The invention also relates to methods for reducing color formation outside of the keratin fiber during oxidative dyeing comprising using such compositions.

Abstract: The invention relates to colorant compositions for the oxidative dyeing of keratin fibers comprising an inhibiting system of radical scavengers and chelants in the dyeing composition. The invention also relates to methods for reducing color formation outside of the keratin fiber during oxidative dyeing comprising using such colorant compositions.

Abstract: The invention relates to colorant compositions for the oxidative dyeing of keratin fibers comprising an inhibiting system of radical scavengers and chelants in the dyeing composition. The invention also relates to methods for reducing color formation outside of the keratin fiber during oxidative dyeing comprising using such colorant compositions.

Abstract: The invention relates to colorant compositions for the oxidative dyeing of keratin fibers comprising radical scavengers in the dyeing composition. The invention also relates to methods for reducing color formation outside of the keratin fiber during oxidative dyeing comprising using such compositions.

Abstract: Compositions for the oxidative dyeing of keratin fibers, comprising a medium suitable for dyeing and at least one 3-substituted pyrazole keratin dyeing compound and derivatives thereof. A method for oxidative dyeing of keratin fibers, comprising applying such compositions in the presence of an oxidizing agent, for a period sufficient to develop the desired coloration.

Abstract: Compositions for dyeing keratin fibers comprise (a) at least one keratin dyeing compound selected from aromatic systems which comprise at least one boronic acid or boronic ester moiety and which are capable of forming upon oxidation a nucleophile or an electrophile, (b) at least one additional keratin dyeing compound selected from the group consisting of auxiliary developers and auxiliary couplers, and (c) a cosmetically suitable medium. Methods for oxidatively dyeing keratin fibers comprise the steps of applying such compositions in the presence of an oxidizing agent and rinsing the hair. A hair coloring product in kit form comprises a first separately packaged container comprising a composition as described above and a second separately packaged container comprising an oxidizing agent.