Abstract: The invention relates to hair dyeing composition comprising (a) a dye of formula (1); (b) a least one dye selected from the compounds of formulae (2) and (3), wherein D is the radical of a diazo component of the formula (2a) and (c) a quaternary ammonium salt selected from (c1) quaternary ammonium salts of the formula (4); (c2) imidazolium salts of the formula (5) and (c3) quaternary diammonium salts of the formula (6). The invention also relates to the dyeing methods for dyeing keratinous fibers comprising such dyeing composition.

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: 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: 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: 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: Composition comprising a hydrophobic dye, a particular organic and/or mineral alkaline agent, a particular compound (I) and a particular organic compound (II), and dyeing use thereof. The present invention relates to a dye composition comprising one or more hydrophobic direct dyes with a log P of greater than or equal to 2, one or more organic alkaline agents, and/or one or more mineral alkaline agents chosen from carbonates, hydrogen carbonates, sodium hydroxide and potassium hydroxide, and mixtures thereof, one or more compounds (I) comprising in their structure a sequence: and one or more organic compounds (II) with a Hansen solubility parameter ?H of less than or equal to 16 MPa1/2 and with a molecular weight of less than 250 g/mol. The invention also relates to a dyeing process that consists in applying such a composition to keratin fibers.

Abstract: A composition and method oxidative colours hair based on at least one oxidative dye precursor and comprises at least one fatty acid soap, preferably selected from sodium, potassium soaps and their mixtures.

Abstract: Oxidative hair coloring compositions comprising a non-ammonia alkalizing agent, such as monoethanolamine, and hydrogen peroxide in a specific ratio. The compositions of the invention have a relatively high lift power for relatively low hair damage. The compositions may comprise little or no ammonia.

Abstract: Cosmetics for oxidatively dyeing and/or lightening keratin fibers, especially human hair, containing, in a cosmetic carrier, at least one oxidant chosen from hydrogen peroxide and/or the solid addition products thereof attaching to inorganic or organic compounds, at least one alkanolamine of formula (I), NH3-x(CH2CH2OH)x(I), where x is one of the numbers 1, 2, or 3, and at least one alkanolamine of formula (II), where R1 and R2 are independently hydrogen, a C1-C6 alkyl group, or a C1-C6 hydroxyalkyl group or R1 and R2 form a ring along with the carbon atom of the alkano-lamine, said ring having 4 to 8 ring atoms and optionally containing 1 to 2 heteroatoms, provided that R1 and R2 do not simultaneously represent hydrogen, wherein the cosmetic is ammonia-free.

Abstract: A composition and method oxidative colours hair based on at least one oxidative dye precursor and having effervescent properties. An aqueous oxidative hair dyeing composition resulting from mixing two aqueous compositions A and B wherein the mixed composition has a pH below or equal to 7.0, preferably is in the range of 2 to 7.0, more preferably 3 to 7. Composition A comprises at least one oxidizing agent and at least one acidic compound and has a pH between 2 and 5, and composition B comprises at least one oxidative dye precursor, optionally at least one coupling agent, optionally at least one direct dye, at least one CO2 releasing compound and has a pH between 8 and 11.

Abstract: A composition and method oxidative colours hair based on at least one oxidative dye precursor and comprises one or more surfactants and has a pH below or equal to 7.

Abstract: The present invention relates to a composition and a method of levelling hair colour especially lighter coloured hair or including lightened streaks or bleached streaks or bleached as a whole and after certain period of time contrast—difference in colour—between the re-growth and formerly lightened parts is clearly visible. The first objective of the present invention is an aqueous composition for levelling hair colour comprising at least one fatty acid salt, preferably an in-situ formed ammonium salt, and one or more amphoteric surfactants at a total concentration between 5 and 30% by weight, calculated to total of the composition, and has a pH between 5 and 12. Further the use of the composition for levelling hair colour and the method of levelling hair colour are disclosed.

Abstract: The present invention relates to a composition and a method of levelling hair colour, especially lighter coloured hair or including lightened streaks or bleached streaks or bleached as a whole and after certain period of time contrast—difference in colour—between the re-growth and formerly lightened parts is clearly visible. The first objective of the present invention is an aqueous composition for levelling hair colour comprising at least one fatty acid salt, preferably an in-situ formed ammonium salt, and one or more non-ionic surfactants at a total concentration between 5 and 30% by weight, calculated to total of the composition, and having a pH between 5 and 12, with the condition that non-ionic surfactant system has an HLB value not exceeding but including 10, calculated from the mol fraction of individual non-ionic surfactants excluding non-ionic silicone surfactants in the non-ionic surfactant mixture and individual HLB values of non-ionic surfactants.

Abstract: The present invention relates to an aqueous composition and a method of levelling hair colour especially the hair lighter coloured or including lightened streaks or bleached streaks or bleached as a whole and after certain period of time contrast—difference in colour - between the re-growth and formerly lightened parts is clearly visible.

Abstract: The present invention relates to a composition and a method of levelling hair colour, especially lighter coloured hair or including lightened streaks or bleached streaks or bleached as a whole and after certain period of time contrast—difference in colour—between the re-growth and formerly lightened parts is clearly visible. The first objective of the present invention is an aqueous composition for levelling hair colour comprising at least one fatty acid salt, preferably an in-situ formed ammonium salt, and one or more anionic surfactants at a total concentration between 5 and 30% by weight, calculated to total of the composition, and has a pH between 5 and 12. Furthermore, use of the composition for levelling hair colour and a method of levelling hair colour are disclosed.

Abstract: The present invention relates to a) a non-oxidative coloring agent for keratin fibers, in particular human hair, comprising at least one dye according to formula (I) or (II), b) an oxidative coloring agent for keratin fibers, in particular human hair, which comprises at least one oxidizing agent (e.g. hydrogen peroxide), at least one oxidative dye precursor and at least one dye according to formula (I) or (II), and c) a lightening agent for keratin fibers, in particular human hair, which comprises at least one oxidizing agent (e.g. hydrogen peroxide) and at least one dye according to formula (I) or (II), with R4 being a cationic group.

Abstract: The present invention is related to an aqueous composition comprising an alkalizing agent and an aqueous emulsion of a silicone copolymer. The inventors of the present invention have surprisingly found out that a composition comprising at least one alkalizing agent and an aqueous emulsion of divinyldimethicone/dimethicone copolymer with an internal phase viscosity of more than 1×108 mm2/s measured at 0.01 Hz and at about 25° C. colors and/or permanently shapes hair excellently and improves hair shine, combability and manageability and especially hair treated with such composition has less flyaway. Additionally it has been observed that hair colored and/or permanently shaped more homogeneously from root to tips. The subject of the present invention is an aqueous composition for human hair comprising at least one alkalizing agent and an aqueous emulsion of divinyldimethicone/dimethicone copolymer with an internal phase viscosity of more than 1×108 mm2/s measured at 0.01 Hz and at about 25° C.

Abstract: The present invention is related to an aqueous composition comprising an alkalizing agent and a cationic polymer. The inventors of the present invention have surprisingly found out that a composition comprising at least one alkalizing agent and a cationic polymer consisting of a copolymer of vinylpyrrolidone and vinylimidazole and a homopolymer of dimethyl dially ammonium chloride colors and/or permanently shapes hair excellently and improves hair shine, combability and manageability and especially hair treated with such composition has less flyaway. Additionally it has been observed that hair colored and/or permanently shaped more homogeneously from root to tips. The object of the present invention is a composition for hair comprising at least one alkalizing agent and a cationic polymer consisting of a copolymer of vinylpyrrolidone and vinylimidazole and a homopolymer of dimethyl dially ammonium chloride. Cationic charge density of the polymer is preferably between 3 and 4 mEq/g and particularly 3.

Abstract: The invention relates to the dyeing of keratin fibers using azomethine direct dyes or reduced precursors of azomethine direct dyes of formula (I) and (II) obtained from 2-amino-3-hydroxypyridine. The invention relates to a dye composition comprising at least one azomethine direct dye or a reduced precursor of an azomethine direct dye, to a process for dyeing keratin fibers, using the said composition, and to their uses in the dyeing of keratin fibers. This composition allows a particularly stable and fast coloration to be obtained.

Abstract: Hair dyeing composition comprising (a) a dye of formula (1) (b) at least one dye selected from the compounds of formulae (2) (3) (4) wherein D is the radical of a diazo component of the formula (2a) (2b) (2c) (2d) K is the radical of a coupling component selected from aniline derivatives; phenol derivatives; naphthalene derivative; X is —CH? —O—; —S—; or —N(R7)—; R1, R2, R3 end R4 independently from each other are hydrogen; or C1-C4alkyl; R5 and R6 independently from each other are hydrogen; C1-C4alkyl; or C1-C4alkoxy; R7 and R9 independently from each other are unsubstituted or OH—, C1-C4alkoxy-, halogen-, amino-, C1-C4-mono or -dialkylamino-substituted C1-C4alkyl; or phenyl; R8 is hydrogen; C1-C4alkyl; Cl; or nitro; R10 is hydrogen; C1-C4alkyl; Cl; nitro; amino; or C1-C4mono- or C1-C4dialkylamino; R11 is hydrogen; C1-C4alkyl; or CN; R12 is unsubstituted or OH— or CN-substituted C1-C4alkyl; R13 is hydrogen; or C1-C4alkyl; R14 and R15 independently from each other are hydrogen; C1-C4alkyl; or C1-C4alkoxy; or

Abstract: Disclosed is a hair dyeing composition comprising (a) a dye of formula (1); (b) at least one dye selected from the compounds of formulae (2); wherein D is the radical of a diazo component of the formula (2a); K is the radical of a coupling component selected from aniline derivatives; phenol derivatives; and a radical of a heterocyclic coupling component; X is O—; —S—; or N(R8)—; Y is CH?; —CR15?; or N?; R1, R2, R3 and R4 independently from each other are hydrogen; or C1-C4alkyl; R5 and R6 independently from each other are hydrogen; C1-C4alkyl; or C1-C4alkoxy; R7 and R9 independently from each other are unsubstituted or OH—, C1-C4alkoxy-, halogen-, amino-, C1-C4-mono or -dialkylamino-substituted C1-C4alkyl; R8 is hydrogen; or C1-C4alkyl; R10 is hydrogen; C1-C4alkyl; or CN; R11 is unsubstituted or OH- or CN-substituted C1-C4alkyl; R12 is hydrogen; or C1-C4alkyl; R13 and R14 independently from each other are hydrogen; C1-C4alkyl; or C1-C4alkoxy; or R13 and R14 together with the nitrogen and carbon atoms joining

Abstract: The invention relates to the dyeing of keratin materials using dichromophore dyes with a carbonyl or heterocyclic linker. The invention relates to a dye composition comprising a dye with a carbonyl or heterocyclic linker, and to a dyeing process with a lightening effect on keratin materials, in particular keratin fibers, especially human keratin fibers such as the hair, using said composition, optionally in the presence of a cosmetically acceptable acid or base. It similarly relates to novel dyes and to the uses thereof in lightening keratin materials. This composition makes it possible to obtain a coloring with a lightening effect which is particularly resistant and visible on dark keratin fibers.

Abstract: Polymeric dye comprising oligo and polypeptides selected from natural or synthetic aminoacids bearing at least one covalently bounded cationic dye. Very good dyeing results on human hair are obtained with these dyes.

Abstract: A two-part hair dye which is composed of a first part containing an alkali agent, a second part containing hydrogen peroxide, and a non-aerosol foamer container for discharging a liquid mixture of the first part and the second part in the form of a foam, the liquid mixture containing the following components (A) and (B): (A) a polymer or copolymer containing 70% or more mole fraction of diallyldimethyl quaternary ammonium salt monomer, and (B) an N-acylamino acid salt, an N-acyl-N-alkylamino acid salt, or an ether carboxylic acid salt, wherein, an equivalent ratio of the anion site of the component (B) to the cation site of the component (A) (anion/cation) is more than 1, and a viscosity of the liquid mixture at 25° C. is 1 to 300 mPa·s.

Abstract: A hair dye containing a compound represented by the following general formula (I): wherein R1 and R2 each independently represent a hydrogen atom or a straight chain or branched alkyl group having 1 to 5 carbon atoms, and An? represents an inorganic anion, an organic anion, or a complex salt anion, respectively.

Abstract: The subject of the present invention is azo derivatives containing a pyrazolinone unit having the following formula (I), their mesomeric forms, their addition salts with an acid and their solvates and their use for dyeing keratin fibers. The subject of the invention is also a composition for dying keratin fibers comprising at least one azo derivative containing a pyrazolinone unit of formula (I) as direct dye, and the method for dyeing keratin fibers using this composition. The present invention makes it possible in particular to obtain chromatic colors that are resistant to the various attacks to which the hair may be subjected, in particular to shampoos and to light.

Abstract: This invention relates to a hair dyeing composition comprising at least one anionic and at least one cationic direct acting hair dyes and showing excellent dyeing ability and excellent resistance to hair washing and environmental influences. The coloring composition of this invention are ready to use coloring composition and, therefore, do not require any mixing prior to application with additional agents such as oxidizers. According to the invention the preferred cationic dyestuffs are selected from the following structures wherein R1, R2, R3 and R4 stand for hydrogen, a CH3— or C2H5— group, and Y is an anion such as chloride, bromide, methosulfate.

Abstract: The present invention relates to a) a non-oxidative colouring agent for keratin fibres, in particular human hair, comprising at least one dye according to formula (I) or (II), b) an oxidative colouring agent for keratin fibres, in particular human hair, which comprises at least one oxidizing agent (e.g. hydrogen peroxide), at least one oxidative dye precursor and at least one dye according to formula (I) or (II), and c) a lightening agent for keratin fibres, in particular human hair, which comprises at least one oxidizing agent (e.g. hydrogen peroxide) and at least one dye according to formula (I) or (II), with R4 being a cationic group.

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 present application relates to a novel family of cationic naphthalimide compounds that can be used as a direct dye, and to a dye composition for the dyeing of keratin fibers, in particular human keratin fibers such as the hair, comprising, in a suitable dyeing medium, at least one such compound. The present application also relates to the dyeing process using this composition and its uses.

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 a keratin fiber dyeing composition comprising, in a suitable medium, at least one dye that is selected from among direct dyes and dye precursors, said cosmetic medium containing water and at least one propylene glycol derivative having formula R1(OC3H6)nOR2 (I). The inventive composition can be used to obtain strong color while retaining the softness of the treated hair.

Abstract: The present disclosure relates to an agent for dyeing and/or bleaching keratin fibers formed by: a first composition (A) comprising at least one basifying agent, and a second composition (B) comprising at least one oxidizing agent, wherein at least one of the two compositions (A) and (B) comprises at least one fatty substance not containing any carboxylic acid functional groups, the total amount of fatty substances in the mixture of compositions (A) and (B) representing at least 20% by weight relative to the total weight of the mixture of these compositions, and at least one of the compositions (A) and (B) comprises at least one sequestrant chosen from those of formula (I) and acids thereof: The present disclosure also relates to a process for dyeing and/or bleaching keratin fibers using the agent, and to a kit containing thereof.

Abstract: The subject of the present disclosure relates to compositions for dyeing or lightening human keratin fibers, comprising: (a) at least 25% by weight of at least one fatty substance; (b) at least one amphoteric polymer; (c) at least one basifying agent; and (d) at least one oxidizing agent. The present disclosure also relates to a dyeing or lightening processes using the composition, and two- and three-compartment devices which make it possible to obtain a composition according to the present disclosure, after mixing of the compositions of the compartments just before application of the composition according to the present disclosure.

Abstract: The present disclosure relates to an agent for dyeing and/or bleaching keratin fibers, comprising: composition (A) comprising at least one basifying agent, and anhydrous composition (B) comprising hydrogen peroxide and/or at least one hydrogen peroxide precursor, wherein composition (A) and/or composition (B) comprise at least one fatty substance not containing any carboxylic acid functional groups, such that the total amount of the at least one fatty substance not containing any carboxylic acid functional groups is present in the mixture of composition (A) and composition (B) in an amount greater than 20% by weight. The disclosure also relates to a process for treating human keratin fibers using this dyeing and/or bleaching agent, and a multi-compartment kit comprising this dyeing and/or bleaching agent in at least two parts.

Abstract: The present invention relates to thiol/disulphide azo quinolinium compounds for dyeing keratin fibres. The invention relates to a dye composition comprising a particular thiol/disulphide azo quinolinium chromophore-containing thiol or disulphide dye, and to a process for dyeing keratin fibres such as the hair, using said composition. It similarly relates to novel particular thiol/disulphide azo quinolinium chromophore-containing dyes and to the uses thereof in dyeing keratin fibres. The dyeing process according to the invention makes it possible to dye keratin fibres without damaging them, in a manner which is particularly persistent with respect to shampooing operations and common attacks. Moreover, the novel dyes according to the invention extend the colour range to violets and blues. This process also makes it possible to dye bleached keratin fibres in a strong and chromatic manner.

Abstract: The present disclosure relates to an agent for coloring and/or bleaching keratin fibers, consisting of: a first composition (A) comprising at least one alkalizing agent, and a second composition (B) comprising at least one oxidizing agent, wherein at least one of the two compositions (A) and (B) comprises at least one fat selected from liquid hydrocarbons, such that the at least one fat is present in a mixture of compositions (A) and (B) in an amount of at least 20 wt. %, relative to the total weight of the mixture, and further wherein at least one of compositions (A) and (B) comprises at least one reductone optionally in a form chosen from acids, salts, and esters. The present disclosure also relates to a method of coloring and/or bleaching keratin fibers employing the agent, as well as a kit containing it.

Abstract: The present invention relates to a composition for treating keratin fibres, and in particular human keratin fibres such as the hair, comprising, in a cosmetically acceptable medium, one or more alkanolamines, one or more basic amino acids and one or more additional alkaline agents chosen from aqueous ammonia; ammonium salts of acids whose pKa at 25° C. is greater than 4; alkali metal or alkaline-earth metal hydroxides, carbonates, carbamates and hydrogen carbonates. The present invention also relates to processes for bleaching and/or dyeing keratin fibres, and also to multi-compartment devices or ‘kits’ for performing these processes.

Abstract: The present invention relates to a dye composition comprising, in a suitable dyeing medium, at least one hydrophobic direct dye whose logP is greater than 2, the suitable medium containing water, and at least one propylene glycol derivative of formula (I) below R1(OC3H6)nOR2 This composition makes it possible to obtain strong colorations. Furthermore, the coloration obtained makes it possible to achieve or even exceed the fastness obtained by oxidation dyeing.

Abstract: The present invention provides a composition for treating keratin fibres, and especially human keratin fibres such as the hair, which comprises, in a cosmetically acceptable medium, one or more alkanolamines, one or more amino acids and one or more cationic polymers. The present invention likewise provides methods of bleaching and/or colouring keratin fibres, and also multiple-compartment devices or kits for the implementation of these methods.

Abstract: The present invention relates to a dye composition for the oxidation dyeing of human keratin fibers, at a pH greater than or equal to 8, comprising at least one oxidation dye precursor, at least one fatty alcohol, at least one fatty ester and at least one cationic surfactant, where the weight ratio of the at least one fatty alcohol and the at least one fatty acid ester being greater than 2 and less than 10. In addition, the present invention relates to a ready-to-use composition obtained by extemporaneously mixing the dye composition with an oxidizing composition, before use, and a method for dyeing keratin fibers in which the ready-to-use composition is applied to hair fibers.

Abstract: Disclosed are olymeric dye of formula (1a), (1b), (1c), A and B, independently from each other represent a polymer backbone; X1 and X2 independently from each other are a linkage group selected from —C1-C30alkylene- or —C2-C12alkenylene-, which is interrupted and/or terminated at one or both ends by one or more than one —S—, —N—, —N?—, —N(R5)—, —S(O)—, —SO2—, —(CH2CH2—O)1-5—, —(CH2CH2CH2—O)1-5—, —C(O)—, —C(O)O—, —OCO—, (II), —CON(R1)—, —C(NR1R2)2—, —(R1)NC(O)—, —C(S)R1—; or an optionally substituted, saturated or unsaturated, fused or non-fused aromatic or nonaromatic (heterocyclic) bivalent radical optionally comprising at least one heteroatom; a saturated or unsaturated, fused or non-fused aromatic or nonaromatic bivalent radical comprising at least one heteroatom, which is optionally substituted by C1-C30alkyl, C1-C30alkoxy, C2-C12alkenyl, C5-C10aryl, C5-C10cycloalkyl, C1-C10alkyl(C5-C10arylene), hydroxy or halogen; R1 and R2 independently from each other are hydrogen; unsubstituted or substituted, straigh

Abstract: Provided is a process for lightening or dyeing keratin fibers, including human keratin fibers such as the hair, in the presence of an oxidizing agent, wherein the following are applied to the keratin fibers: (a) an anhydrous cosmetic composition (A) comprising at least one fatty substance and at least one surfactant, (b) a cosmetic composition (B) comprising at least one organic amine with a pKb of less than 12 at 25° C. and at least one mineral base, and (c) a composition (C) comprising at least one oxidizing agent; when the process described herein is a process for dyeing keratin fibers, composition (B) further comprises at least one dye. Also provided is a multi-compartment device comprising a first compartment having the anhydrous cosmetic composition, a second compartment having at least one organic amine with a pKb of less than 12 at 25° C., and also at least one mineral base and optionally at least one dye, and a third compartment having an oxidizing composition.

Abstract: Disclosed are polymeric dyes obtained by the reaction of (a) a basic polycondensate with (b) an electrophilic dye of formula (2) P—X—Ya+ Ana?; wherein the basic polycondensate (a) is obtained by the reaction of (a1) an amine of formula (I) in the presence of an anhydrous solvent with an ammonium salt (a2) with a cyanamide; wherein R1, R2, R3 and R4 independently from each other are hydrogen; or C1-C4alkyl, which may be substituted by amino, hydroxy, cyano or C1-C4alkoxy; A is C2-C20alkylene, which may be substituted or interrupted by one or more than one hetero atoms; P is a reactive grouping capable of reacting with a nitrogen nucleophile; X is a linkage group selected from C1-C30alkylene, C2-C12alkenylene, C5-C10arylene, C5-C10cycloalkylene and C1-C10alkylene(C5-C10arylene) which may be interrupted and/or terminated at one or both ends by one or more than one —O—, —S—, —N?, —N(R5)—, —S(O)—, SO2, —(CH2CH2—O)1-5—, —(CH2CH2CH2—O)1-5—, —C(O)—, —C(O)O—, —OC(O)—, (II), —CON(R5)—, —C(NR5R6)2—, —(R5)NC(O)—, —C(S)R5

Abstract: The present disclosure relates to a process for lightening human keratin fibers using at least one anhydrous composition (A) comprising at least one fatty substance, at least one surfactant, monoethanolamine and at least one basic amino acid, and at least one composition (B) comprising at least one oxidizing agent. The disclosure relates to a multi-compartment device comprising the abovementioned compositions (A) and (B).

Abstract: Disclosed herein is a process for the predictable coloring of keratinous fibers, for example, human keratinous fibers, such as the hair, comprising applying to the fibers a first composition comprising at least one oxidation base derived from diamino-N,N-dihydropyrazolone and at least one coupler, mixed with a second composition chosen from “fundamental” and/or “golden fundamental” and/or “golden” compositions.

Abstract: The present disclosure relates to a process for lightening or dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising applying to the keratin fibers: (a) an anhydrous cosmetic composition (A) comprising at least one fatty substance and at least one surfactant; (b) a cosmetic composition (B) comprising at least one ammonium salt; and (c) a composition (C) comprising at least one oxidizing agent; when the process is a process for dyeing keratin fibers, said cosmetic composition (B) further comprises at least one oxidation dye and/or at least one direct dye. The present disclosure also relates to a multi-compartment device comprising the disclosed compositions for lightening or dyeing keratin fibers.

Abstract: Provided is a process for dyeing or lightening human keratin fibers, comprising applying to the keratin fibers: a) at least one anhydrous composition (A) comprising at least one fatty substance and at least one surfactant; b) at least one composition (B) comprising monoethanolamine and at least one basic amino acid; and c) at least one composition (C) comprising at least one oxidizing agent; provided that when the process is a dyeing process, the at least one anhydrous composition (A) is free from organic amines and the at least one composition (B) comprises at least one oxidation dye and/or at least one direct dye fiber.

Abstract: Disclosed are cationic polymeric dye with a hue value of h=210° to 330° comprising: a) a polymer backbone, b) a residue of an organic dye, and c) optionally colorless organic groups, wherein (b) and (c) are covalently bound to the polymer backbone (a), and wherein the cationic charges can independently be part of the dye or the colorless organic groups. The dyes are distinguished by their depth of shade and their good fastness properties to washing, such as, for example, fastness to light, shampooing and rubbing.

Abstract: Disclosed are cationic oligomeric dye, comprising a low molecular weight polyamine comprising the repeating units (1a) or (1b), wherein at least 90% of the polyamine molecules are selected from tetramines, pentamines and hexamines; and R is the residue of a cationic dye, which is covalently bonded, optionally via a linker, to the nitrogen atoms of the polyamine; or hydrogen; wherein the polyamine repeating units (1a) and (1b) comprise at least one carionic dye residue; and n is a number from 3-12. The dyes are distinguished by their depth of shade and their good fastness properties to washing, such as, for example, fastness to light, shampooing and rubbing.