Abstract: The present invention relates to an azo dye composition for hair dyeing that has an excellent performance as a dye for hair dyeing and proves negative in the Ames test, and also relates to a method for producing the composition. An object of the present invention is to develop a purification method for a dye composition for hair dyeing mainly containing an azo dye and proving negative in the Ames test, and to provide the dye composition for hair dyeing that is produced by applying the purification method and indicates negative in the Ames test. The dye composition for hair dyeing contains, as a main component, the azo dye having trimethylammonio, and the dye composition for hair dyeing is characterized in that the result of the Ames test is negative.

Abstract: The present invention relates to the use of tea-polyphenol and/or tea-pigment as a dye and its products, and specifically relates to use of a combination of tea-polyphenol and/or its oxidation product, tea-pigment, as a dye active and a metal salt for dyeing human or animal hair, or use of the combination for the preparation of a product for dyeing human or animal hair, and to a hair dyeing product or a hair dyeing combination product comprising tea-polyphenol and/or tea-pigment. The present invention has the advantages including good dyeing fastness, natural and bright, not-stimulating, not-allergenic, not-mutagenic, no damage to hair, simple to operate and short time consuming.

Abstract: A hair dyeing agent, a combination of the hair dyeing agent and a softener for dyeing hair and the method of using the combination are disclosed. The hair dyeing agent comprises a dye active, a mordant active, a stabilizer, water, and a carrier and/or an excipient. The dye active is selected from gallic acids, salts and esters thereof and their combinations. The mordant active is a ferrous salt selected from ferrous sulfate, ferrous chloride, ferrous nitrate, ferrous gluconate, ferrous lactate and ferrous fumarate.

Abstract: This invention relates to a permanent dye for coloring keratinous fibers comprising: (a) A solution of iron (II) or iron (III) salt; (b) A solution of an aqueous extract of Terminalia chebula and (c) A solution of at least one color developer selected from the group consisting of a polyphenol and polyphenol derivatives or mixture thereof. A method of coloring keratinous fibers using the permanent dye is also provided.

Abstract: The present invention relates to a mordant for hair dyeing and a hair dyeing product comprising the mordant. The mordant of the present invention comprises an effective amount of a ferrous salt, antioxidant and water; the hair dyeing product of the present invention comprises three parts: a softening agent, a dyeing agent, and the mordant. The mordant and the hair dyeing product comprising the mordant as provided by the present invention do not contain thioglycolic acid, aromatic compounds such as p-phenylenediamine and hydrogen peroxide, and are safe and free of irritation. The hair dyeing product of the present invention has good chromaticity and fastness as well as good product stability and convenience in usage.

Abstract: A hair dyeing agent, a combination of the hair dyeing agent and a softener for dyeing hair and the method of using the combination are disclosed. The hair dyeing agent comprises a dye active, a mordant active, a stabilizer, water, and a carrier and/or an excipient. The dye active is selected from gallic acids, salts and esters thereof and their combinations. The mordant active is a ferrous salt selected from ferrous sulfate, ferrous chloride, ferrous nitrate, ferrous gluconate, ferrous lactate and ferrous fumarate.

Abstract: The present invention relates to a mordant for hair dyeing and a hair dyeing product comprising the mordant. The mordant of the present invention comprises an effective amount of a ferrous salt, antioxidant and water; the hair dyeing product of the present invention comprises three parts: a softening agent, a dyeing agent, and the mordant. The mordant and the hair dyeing product comprising the mordant as provided by the present invention do not contain thioglycolic acid, aromatic compounds such as p-phenylenediamine and hydrogen peroxide, and are safe and free of irritation. The hair dyeing product of the present invention has good chromaticity and fastness as well as good product stability and convenience in usage.

Abstract: A method of colouring a material, the method comprising the steps of: a)applying to the material a composition comprising a sulphur-containing nucleophile; and b)applying to the material a composition comprising a dye compound selected from a dye class other than the class of reactive dyes.

Abstract: New, effective and non-toxic compounded henna based hair dyes that are non-toxic, natural and hypoallergenic that provide an alternative to conventional hair color. The products are made using 100% Green Chemistry and do not utilize encapsulation.

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 colours that are resistant to the various attacks to which the hair may be subjected, in particular to shampoos and to light.

Abstract: The present invention relates to a composition for colouring keratinous materials. The composition contains in an appropriate medium at least one supra-molecular colouring system of the type (COLORANT)n(SAU)m(I), in which (COLORANT) is any chromophore having a maximal absorption of between 300 nm and 1200 nm covalently bonded to (SAU), and (SAU) represents an acceptor/donor radical capable of forming at least three hydrogen bonds. The invention provides a resistant and varied colouration of keratinous materials.

Abstract: Disclosed is a method of dyeing keratin-containing fibers comprising treating the fiber with at least one compound of formula (1), wherein R1, R2, R3, R4 independently from each other are hydrogen; hydroxy; —S—H; —S—C1-C12alkyl; halogen; C1-C12alkyl or C1-C12alkoxy, which may be substituted by one or more C1-C5alkyl, C1-C5-alkoxy, hydroxy, —(CO)—H or —(CO)—C1-C5alkyl; —NR5R6; —NO2; —(CO)H or (CO)—C1-C5alkyl; C6-C12aryl, C6-C12aryl-C1-C4alkyl or C6-C12aryl-C1-C4alkoxy, wherein the aryl moiety may be substituted by one or more C1-C5alkyl, C1-C5alkoxy, —(CO)—H or —(CO)—C1-C5alkyl; R5 and R6 independently from each other are hydrogen; hydroxy; C1-C12alkyl; hydroxy-C1-C12alkyl; —(CO)—H; —(CO)—C1-C5alkyl; phenyl or phenyl-C1-C5alkyl, wherein the phenyl moiety may be substituted by one or more C1-C5alkyl, C1-C5alkoxy, halogen, —NH2, mono-C1-C5alkylamino, di-C1-C5alkylamino, —NO2, carboxy or hydroxy; and An is an anion.

Abstract: A composition for dyeing keratin fibers that contains 0.1 to 30 percent of at least one substantially pure plant dye material obtained using solvent or supercritical CO2 extraction, combined with 0.01 to 5 percent of active metal in a metal or mineral salt capable of acting as a mordant as a two-part hair color system.

Abstract: An oil-in-water type one-part hair dye composition containing components (A), (B), (C) and (D); (A) a direct dye; (B) a hydrocarbon oil; (C) a polyoxyalkylene-modified dimethylpolysiloxane with an HLB of 7 or higher; and (D) an aromatic alcohol; wherein the content ratio by mass of the component (B) to the component (C), (B)/(C) is 0.05 to 10.

Abstract: This application relates to a dye composition for dyeing keratin fibers, for example human keratin fibers, such as hair, comprising, in an appropriate dyeing medium, at least one aldehyde precursor, at least one enzyme able to generate an aldehyde from the at least one aldehyde precursor and at least one heteroaromatic hydrazone. This application also concerns a method for dyeing keratin fibers using the dye composition, and a dye “kit” containing the dye composition.

Abstract: A composition for dyeing keratin fibers that contains 0.1 to 30 percent of at least one substantially pure plant dye material obtained using solvent or supercritical CO2 extraction combined with 0.01 to 5 percent of active metal in a metal or mineral salt capable of acting as a mordant as a two part hair color system. The addition of the encapsulation of one or both components allows the use of the plant dye in combination with the metal or mineral salt in a one part hair color system.

Abstract: Disclosed are azo dyes of formula (1), wherein R1 is hydrogen; C1-C14alkyl; hydroxy-C1-C14alkyl; C2-C14alkenyl; a radical of formula (1a) —(CH2)n1—O—(CH2)n2—CH3; a radical of formula (1b) C10aryl; or C6-C10aryl-C1-C6alkyl; R3 is hydrogen; C1-C14alkyl; C2-C14alkenyl; C6-C10aryl; C6-C10aryl-C1-C6alkyl; or CO—R6; R4 is CO—R6; R5 is C1-C14alkyl; C2-C14alkenyl; C6-C10aryl; or C6-C10aryl-C1-C6alkyl; R6 is hydrogen; C1-C14alkyl; C2-C14alkenyl; or C6-C10aryl; R7, R8, R9 and R10, independently from each other are hydrogen; or C1-C5alkyl; m is 1; or 2; An? is an anion; If m=1, R2 is hydrogen; C1-C14alkyl; C2-C14alkenyl; a radical of formula (1a); a radical of formula (1b); C6-C10aryl; or C6-C10aryl-C1-C6alkyl; If m=2, R2 is the direct bond; or C1-C14alkylene, which is optionally substituted by one or more C1-C4alkyl, or which is optionally interrupted by C5-C10arylene, —O— or —NR9R10—; R9 and R10, independently from each other are hydrogen; or C1-C5alkyl; and n1, n2, n3 and n4, independently from each other are a numbe

Abstract: The present invention relates to a process for dyeing keratin fibers, which consists in applying to the fibers a dye composition comprising: i) at least one compound X; ii) at least one compound Y, wherein compounds X and Y, when placed in contact with each other, react together via a hydrosilylation reaction optionally in the presence of a hydrosilylation catalyst; a condensation reaction; or a crosslinking reaction in the presence of at least one peroxide; and iii) at least one fluorescent dye. The coloration obtained after applying the composition to the hair shows good resistance to various attacking factors. Moreover, the hairs remain perfectly individualized and may be easily styled.

Abstract: The present invention is related to an aqueous colouring composition for keratin fibres especially human hair. Accordingly the subject of the present invention is an aqueous hair colouring composition comprising at least one hair dye and at least one colour effect pigment consisting of synthetic mica coated with metal oxide or oxides and having a volume particle size distribution in the range of 1 to 750 ?m at a concentration of 0.01 to 10% by weight, calculated to total composition.

Abstract: The present disclosure provides dye compositions comprising at least one hydrophobic direct dye with a logP of greater than 2, at least one organic or mineral acid with a pKa of less than 4.5, in an aqueous-alcoholic dyeing medium comprising at least 60% by weight of water relative to the total weight of the composition, the pH of the composition being less than 7. The compositions allow shades ranging from pastel to strong colorations to be obtained on keratin fibers. Furthermore, the coloration obtained makes it possible to achieve or even exceed the fastness of oxidation dyeing.

Abstract: Disclosed herein is a composition for dyeing keratinous fibers, comprising at least one direct dye corresponding to the following formula (I): in which R1 and R2 may be chosen from hydrogen atoms; R3 may be a phenyl group, n may chosen from 0 and 1; R4 and R5 may be alkyl groups having 1 to 6 carbon atoms; R6 may be chosen from phenol groups and aniline groups; X and Y may represent nitrogen atoms, wherein the group —NR4R5 may occupy a position chosen from the 1-, 6-, 8-, and 9-position when n is equal to 1; and A is an anionic counterion. Further disclosed herein are methods for dyeing keratinous fibers using these direct dyes.

Abstract: The present invention concerns a pre-treatment composition comprising dihydroxyacetone (DHA) for oxidative coloring keratin fibers especially human hair and a coloring process therefore.

Abstract: Keratinic fibers are colored by a two-component composition for coloring keratinous fibers comprising a first preparation (A) comprising at least one oxidation dye precursor and a second preparation (B) comprising at least one care component, wherein the two preparations are packaged separately from one another in the compartments of a two-compartment tube. The compartment openings in the tube are oriented in such a way that the contents of each of the chambers is emitted simultaneously into a common space.

Abstract: The invention relates to a composition comprising a pyrazine derivative and to methods using said compositions as an optical bleach and/or dye in a direct or oxidation dyeing composition for keratin fibers, such as human keratin fibers, for example, hair. The invention also relates to methods of making said compositions and to a multicompartment device for dyeing and/or optical bleaching containing the claimed composition.

Abstract: The present invention relates to a composition for dyeing keratinous fibers, containing at least one azodiazine direct dye corresponding to the following formula (I): The present invention also relates to a method for dyeing keratinous fibers using these direct dyes.

Abstract: Keratinic fibers are dyed with a two-component agent for tinting and/or dyeing keratinic fibers comprising a first preparation (A) comprising at least one direct-absorbing dye and/or at least one precursor of a nature-analogous dye, and a second preparation (B) containing at least one conditioning substance, wherein the two preparations are packaged separately from one another in the chambers of a two-chamber tube. The chamber openings in the tube are oriented in such a way that the contents of each of the chambers are emitted simultaneously into a common space.

Abstract: The present invention relates to a dye composition comprising, as direct dye, at least one dye of the azo-pyridinio-pyridone family and at least one synthetic dye different from the first dye. The invention also relates to a process for dyeing keratin fibers, e.g., human keratin fibers such as the hair, and to a multi-compartment device for implementing it.

Abstract: The invention concerns a composition for dyeing keratinous fibres, in particular human keratinous fibres and more particularly hair, comprising, in a medium suitable for dyeing, at least an oxidation dye, at least a C12–C30 fatty alcohol, at least an oxyalkylene or polyglycerol C12–C30 fatty alcohol and further 2 to 15 wt. % and preferably 5 to 10 wt. % of a mixture of glycerine (A) and a polyol other than glycerine (B) in an (A)/(B) weight ratio >1. The invention also concerns dyeing methods and devices using said composition.

Abstract: The present invention relates to the use of organomodified metallic nanoparticles preferably bearing at their surface a self-assembled monolayer of organosulphur compounds. A preferred use is in suspension form for dyeing and/or treating human keratin fibers. The invention also relates to a process for dyeing and/or treating human keratin fibers, by the application to the keratin fibers of such a suspension, and also to compositions used to perform such a process. The invention includes the colouring and/or treating of human keratin fibers, in particular the hair, with the invention suspension. Compositions of the nanoparticles with cosmetic active principles, and uses thereof, also are described.

Abstract: The present invention provides a herbal black dye from natural materials comprising of Juglans regia, Indigofera tinctoria, Terminalia chebula, Acacia accocina, Lawsonia inermis, Trigonella foenum-graecum, Sapindus mukorossi, Eclipta alba, Embelica officinalis, Acacia catechu and Piper betle, the dye derived being safe, non toxic, anti-allergic, anti-dandruff and free from toxic symptoms like itching.

Abstract: The present invention relates to a composition for dyeing keratinous fibers, containing at least one azodiazine direct dye corresponding to the following formula (I): The present invention also relates to a method for dyeing keratinous fibers using these direct dyes.

Abstract: The present disclosure relates to a composition for dyeing keratinous fibers, comprising at least one azodiazine direct dye aminated at the 7-position. The present disclosure also relates to a process for dyeing keratinous fibers using the direct dyes described herein.

Abstract: The present disclosure relates to a dyeing composition for human keratinous fibers, such as the hair, comprising, in a suitable dyeing medium, at least one oxidation dye, and at least one dicationic compound. The disclosure further relates to the dyeing methods and dyeing kit using the dye composition.

Abstract: The invention relates to methods of coloring the hair with cluster-modified water and the ability to achieve enhanced color and conditioning for the hair that is color-treated. The cluster-modified water can be ionized water such as alkalinic or acidic water, or structured water such as I or S water. In addition, the cluster-modified water can be applied to the hair as a pre-saturating treatment and/or a post-saturating treatment relative to the hair color treatment process. Additional benefits of the present invention are the ability to minimize the use of harsh chemicals and dyes while still achieving an enriched color, and increased softness and smoothness to the color-treated hair. The present invention can also be used with mordanting salts. The present invention also includes a hair coloring kit including the cluster-modified water for post-saturating and/or pre-saturating the hair.

Abstract: A hair dye and hair-dyeing methods using the hair dye are provided. The hair dye comprises, as essential ingredients, (i) a formulation primarily composed of a dye component-including indican derived from indigo plants and (ii) a formulation primarily composed of a ?-glucosidase enzyme component. Hair is first mordanted with a dye mordant such as aluminum, iron and the like, and then secondly the prepared hair dye is uniformly applied to the hair either directly or as a mixture of the dye and a proper amount of water. Upon completion of the hair-dyeing, hair is rinsed with water and is finished by drying.

Abstract: Provided is a hair dye composition containing a direct dye (1). This hair dye composition has markedly high hair dyeing power, has less color fade over time and undergoes a small change in the color tone of the dye even after storage. wherein, R1 to R4 each represents a (substituted) C1-6 alkyl group, (substituted) alkenyl group or (substituted) aryl group or R3 and R4, when taken together with the adjacent C, form a 5 to 12 membered ring, R5 represents H, (substituted) C1-6 alkyl group, (substituted) alkenyl group, (substituted) aryl group or acyl group, X1 and X2 each represents H or halogen atom, Y1 and Y2 each represents H, (substituted) C1-6 alkyl group, (substituted) alkenyl group, (substituted) C1-6 alkoxy group or halogen atom, Z1 and Z2 each represents H, (substituted) C1-6 alkyl group, (substituted) alkenyl group, (substituted) C1-6 alkoxy group, nitro group or halogen atom, and A− represents an anion.

Abstract: Compositions for oxidation dyeing of keratinous fibers, for example, human keratinous fibers such as hair, further such as human hair, comprising, in a medium suitable for dyeing, at least one oxidation dye, at least one cationic amphiphilic polymer comprising at least one fatty chain, and a combination comprising: (I) at least one compound chosen from oxyalkylenated and glycerolated fatty alcohols and (II) at least one hydroxylated solvent, wherein the hydroxylated solvent may have a molecular weight of less than 250, and wherein the weight ratio of (I) to (II) is greater than 1:1 and dyeing processes and devices, such as kits, comprising such compositions.

Abstract: A dye composition for dyeing human keratin fibres, such as hair, comprising at least one monocationic monoazo dye of formula (I)

Abstract: A shaped body is provided for preparing coloring compositions and for coloring keratin fibers. The shaped body contains at least one synthetic substantive dye. The shaped body is placed in a composition containing water to form a coloring composition that can be applied to keratin fibers.

Abstract: A hairdye composition containing a metallic compound such as AgNO3 and C3H5AgO3 is disclosed, in which the metallic compound is mixed with a cream type composition that can be applied to hair, thereby gradually coloring gray hair. To this end, AgNO3 is composed of 0.05˜10.0 wt % based on total weight and C3H5AgO3 is composed of 0.05˜10.0 wt % based on total weight.

Abstract: The use of linear or cyclic silicon compounds containing at least one chromophoric group of quinone or azo type as direct dyes in dye compositions intended for dyeing human keratin fibres and in particular the hair. The invention also relates to novel silicon compounds and dye compositions containing them, as well as to the corresponding direct dyeing process.

Abstract: The use of linear or cyclic silicon compounds containing at least one chromophoric group of quinone or azo type as direct dyes in dye compositions intended for dyeing human keratin fibers and in particular the hair. The invention also relates to novel silicon compounds and dye compositions containing them, as well as to the corresponding direct dyeing process.

Abstract: The use of linear or cyclic silicon compounds containing at least one chromophoric group of quinone or azo type as direct dyes in dye compositions intended for dyeing human keratin fibres and in particular the hair. The invention also relates to novel silicon compounds and dye compositions containing them, as well as to the corresponding direct dyeing process.

Abstract: A composite melanin pigment in the form of particles comprising a spherical core less than 1 .mu.m in diameter, which comprises at least one wax and at least one surfactant, and an outer layer which envelops the core, which comprises at least one compound resulting from the oxidative polymerization of a melanin pigment precursor; and uses of the pigment in powder form or in the form of an aqueous dispersion, in cosmetic compositions, in particular in dye products and/or make-up products and/or care products for keratin substances such as the skin, the hair and the nails.

Abstract: A process for the two-stage oxidation dyeing of keratin fibers by applying to the keratin fibers:in a first stage, at least one composition A containing at least one manganese salt and/or a manganese complex,in a second stage, at least one composition B having a pH of greater than or equal to 6, and resulting from the extemporaneous mixing of at least one composition B1 containing at least one 4-substituted 1-naphthol and at least one composition B2 containing at least one oxidizing agent, and corresponding multi-compartment dyeing kit.

Abstract: Process for the preparation of a melanic pigment of small particle size and its use in cosmetics. The subject of the present invention is a process for the preparation of a melanic pigment of very small particle size in which 100% of the particles have a particle size smaller than 1.mu.m, consisting in dissolving a melanin of natural and/or synthetic origin in an aqueous medium containing at least one alkalifying agent and/or at least one sequestering agent, and in precipitating the melanin thus dissolved by addition of at least one alkaline-earth metal salt. Another subject of the invention is the use of this pigment in compositions for cosmetic treatments and for dyeing hair.

Abstract: The present invention relates to the use of 1,4-di(mono- or poly)hydroxyalkylamino-9,10-anthraquinones: ##STR1## where R represents a C.sub.2 to C.sub.6 monohydroxyalkyl radical or a C.sub.3 to C.sub.6 polyhydroxyalkyl radical for dyeing human keratinous fibers, to the dyeing cosmetic compositions containing such anthraquinones, to the dyeing compositions for keratinous fibers containing such anthraquinones in combination with nitro dyes of the benzene type and azo dyes for direct dyeing, and/or with oxidation dyes for oxidation dyeing as well as to the processes for dyeing keratinous fibers by direct dyeing or by oxidation dyeing.

Abstract: A composition for reshaping hair including Caesalpinea tinctoria pod extract, a source of cupric ions and a source of chloride ions which is formulated into a thixotropic paste or cream for direct application to hair, subjecting the hair to the composition for a selected time, washing, setting and drying the hair, in the desired shape.

Abstract: A hair dyeing process which comprises of steps of contacting the hair to be dyed with an aqueous solution of a metal salt that promotes melanogenses in air. Before or after the aforementioned step contacting the hair with a solution of 5,6-dihydroxyindole, rinsing the hair between the two contacting steps, maintaining the contact with the second-used solution until a desired darker color is obtained, rinsing or shampooing the hair, then contacting the hair with a solution of hydrogen peroxide until the desired color shade is obtained, and then again rinsing the hair.

Abstract: Certain dispersant free substituted diaminoanthaquinone colorants are useful in hair dye compositions to more intensely color hair. Coloring kits, mousses, gels, and aerosols may contain the compositions.