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: 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: A process for synthesizing 2-methoxymethyl-1,4-benzenediamine, its derivatives of formula (IV) and the salts thereof, which comprises a reductive amination step. The preferred final product is 2-methoxymethyl-1,4-benzenediamine of formula (IV-a). These compounds may be used as primary intermediates in compositions for dyeing keratin fibers.

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

Abstract: Powder hair coloring or bleaching composition comprising: a) at least one solid source of carbonate ions, carbamate ions, hydrogencarbonate ions, or mixtures thereof; b) at least one solid source of oxidizing agent; c) at least one solid source of ammonium ions; and d) a crosslinked carboxylic acid polymer thickener having a particle size of no more than about 10 microns in an amount which, upon admixture of the powder composition with water to provide a concentration of from about 1% to about 3%, provides the dispersed composition a viscosity of from about 10000 mPas to about 20000 mPas when measured at 0.5 rpm using Brookfield viscometer spindle S52, and a pH of from about 8.5 to about 9.4.

Abstract: The present invention relates to personal care compositions, especially those personal care compositions in the form of a personal care article that is a porous dissolvable solid substrate. The porous dissolvable solid substrate has a surface resident coating comprising a water sensitive active that can deliver a consumer benefit.

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: A method of preventing color loss from dyed hair comprising the application of a hair care composition comprising from about 0.1% to about 20% of a sulfoalkyl(meth)acrylate compound, an alkylacetamido(meth)acrylate, or a mixture thereof, and a dermatologically acceptable carrier wherein the sulfoalkyl(meth)acrylate compound and the alkylacetamido(meth)acrylate undergo polymerization inside the hair fibers.

Abstract: Powder hair coloring or bleaching composition comprising: a) at least one solid source of carbonate ions, carbamate ions, hydrogencarbonate ions, or mixtures thereof; b) at least one solid source of oxidizing agent; c) at least one solid source of ammonium ions; and d) a crosslinked carboxylic acid polymer thickener having a particle size of no more than about 10 microns in an amount which, upon admixture of the powder composition with water to provide a concentration of from about 1% to about 3%, provides the dispersed composition a viscosity of from about 10000 mPas to about 20000 mPas when measured at 0.5 rpm using Brookfield viscometer spindle S52, and a pH of from about 8.5 to about 9.4.

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.

Abstract: A method of preventing color loss from dyed hair comprising the application of a hair care composition comprising from about 0.1% to about 20% of a sulfoalkyl(meth)acrylate compound, an alkylacetamido(meth)acrylate, or a mixture thereof, and a dermatologically acceptable carrier wherein the sulfoalkyl(meth)acrylate compound and the alkylacetamido(meth)acrylate undergo polymerization inside the hair fibers.

Abstract: A method and composition for maintaining and/or stabilizing moisture levels in the hair shaft comprising the application of a hair care composition comprising a copolymer comprising at least one hydrophilic monomer and at least one hydrophobic monomer, and a dermatologically acceptable carrier wherein the hydrophilic and hydrophobic monomers undergo polymerization inside the hair fibers.

Abstract: The various embodiments provide a composition including an active material having functional groups capable of covalent attachment to a substrate in the presence of an acid or a base, a photocatalyst capable of generating an acid or a base upon exposure to light, and a vehicle. The compositions may also include surfactants, emulsifiers, oxidants, and other components. A method for treating a substrate is also disclosed. The method includes the steps of applying at least one active material having functional groups to the substrate, applying a photocatalyst to the substrate, and exposing the photocatalyst and the at least one active material to light for forming covalent attachments between the functional groups and constituent groups on the substrate. The compositions and methods described herein are useful in personal care product and consumer care product applications, for example.

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.