Abstract: A two-part oxidative dyeing composition is described. The two-part composition has an alkaline first part comprising oxidative dye couplers and/or oxidative dye precursors, and a second part comprising hydrogen peroxide, xanthine and/or its derivatives, and a lipophilic compound. The second part is formulated as water-in-oil emulsion and it was unexpectedly found that xanthines stabilize the viscosity of the second part composition allowing for improved dyeing performance.

Abstract: Bleaching powders, kits-of-parts for bleaching, and bleaching methods comprise at least xanthine and/or xanthine derivatives, wherein it was unexpectedly found that xanthine and/or xanthine derivatives in bleaching powder reduce damage to keratin fibers during bleaching methods or processes.

Abstract: An aqueous oxidizing composition comprising a xanthine derivative is described. The composition may comprise more than 5% by weight of hydrogen peroxide. The composition may further comprise a lipophilic compound or a surfactant, and may be applied to keratin fibers. It has been unexpectedly found out that xanthine derivatives stabilize hydrogen peroxide compositions during storage.

Abstract: The present invention is directed to the provision of a kit-of-parts, a dyeing composition, and a method for dyeing keratin fibres. The kit comprises separate compositions A and B and optionally separate composition C. Composition A comprises a direct dye and an alkalising agent. The aqueous composition B comprises guanidine and/or its salts together with one or more lipophilic compounds and/or one or more thickening polymers. Composition C comprises a persalt and/or persulfate salt. A method for dyeing keratin fibres comprises mixing compositions A and B, and optionally C, to yield a ready-to-use composition with pH in the range of 7 to 12. Composition B may be used for enhancing colour intensity and/or wash fastness of a direct dye on keratin fibres with the provision that it is mixed with composition A directly prior to application.

Abstract: The present invention is directed to a kit-of-parts for bleaching keratin fibers, having a bleaching composition A comprising a) one or more persalt(s) and/or peroxy salt(s), and b) one or more alkalizing agent(s), an aqueous oxidizing composition B, and a composition C comprising c) one or more non-acetylated sugar alcohol(s), and/or their mixtures, wherein the bleaching composition A comprises less than 5% by weight of water, calculated to the total weight of the bleaching composition A.

Abstract: The present invention is directed to a kit-of-parts for bleaching keratin fibers, comprising: an aqueous composition A comprising a) one or more non-acetylated sugar alcohol(s), and/or their mixtures, a bleaching composition B comprising b) one or more persalt(s) and/or peroxy salt(s), c) one or more alkalizing agent(s), and an aqueous oxidizing composition C, wherein the total concentration of compound(s) according to a) in the aqueous composition A is in the range of 1% to 50% by weight, calculated to the total weight of the aqueous composition A, and wherein the bleaching composition B comprises less than 5% by weight of water, calculated to the total weight of the bleaching composition B.

Abstract: The present invention is directed to a dyeing composition, method, use and kit thereof, which improves dyeing using specific direct dyes. The inventive composition comprises benzyl alcohol, and a thickening polymer.

Abstract: The present invention relates to a process for treating hair wherein the hair is semi permanently shaped and subsequently reshaped with the application of an aqueous composition comprising catechin and/or resorcinol and their derivatives.

Abstract: Processes and kits-of-parts reshape keratin fibers and comprise applying a composition on to keratin fibers and cover the keratin fibers, wherein the composition comprise an alkalizing agent, a thickening polymer, and an organic solvent. Additionally, the keratin fibers are put under tension using a curler along with covering the curler with a moisture barrier, and heating the keratin fibers. As a result, long-lasting curl having cosmetic properties are achievable.

Abstract: Processes, kits-of-parts, and foam dispensers reshape keratin fibers. The processes comprise applying a composition onto the keratin fibers that comprises an alkalizing agent and a foaming surfactant, covering the keratin fibers, putting the keratin fibers under tension using a curler, covering the curler with a moisture barrier, and heating the keratin fibers. The reshaped keratin fibers achieve improved long-lasting curl having cosmetic properties.

Abstract: Processes and kits-of-parts reshape keratin fibers by applying a composition onto hair and covering the hair, wherein the composition comprises ammonia and one or more organic alkalizing agents. Additionally, the hair is put under tension using a curler with covering the curler with a moisture barrier, and heating the keratin fibers. As a result, long-lasting curl having cosmetic properties are achievable and an ammonia smell is reduced when directly compared to compositions having no organic alkalizing agent.

Abstract: Processes and kits-of-parts reshape keratin fibers and comprise applying a composition onto keratin fibers and covering the keratin fibers, wherein the composition comprises ammonia and one or more ammonium salts. Additionally, the keratin fibers are put under tension using a curler along with covering the curler with a moisture barrier and heating the keratin fibers. As a result, long-lasting curl having cosmetic properties are achievable.

Abstract: The present invention relates to a stable powder composition comprising hair direct dyes which is used for dyeing hair after mixing with one or more aqueous compositions. The composition comprises one or more direct dyes selected from HC Red 18, HC Blue 18, and HC Yellow 16, one or more alkanolamine as alkalizing agent, an organic and/or an inorganic pulverulent excipient.

Abstract: The invention is directed to a three-part bleaching composition and method comprising pigments in a third composition. It has unexpectedly been found that an third composition comprising pigments increase the contrast between bleaching composition and keratin fibers to a degree which allows for a more accurate judgement of the desired end point of bleaching during the bleaching process.

Abstract: The present invention relates to a process for improved and milder permanent shaping of hair, especially human hair. It has been found that when commonly used permanent shaping compositions are mixed with another composition comprising predominantly carboxylic acids, the permanent shaping effect of the composition is improved, homogeneous permanent shaping of hair fibers is achieved and natural cosmetic properties of hair are maintained.

Abstract: The present invention relates to a process for permanent shaping and dyeing carried out one after another with compositions providing improved and milder shaping and dyeing of hair, especially human hair. The inventors of the present invention have unexpectedly found out that when commonly used permanent shaping and dyeing compositions are mixed with another composition comprising predominantly carboxylic acids, the permanent shaping and dyeing effects of the compositions are improved, homogeneous permanent shaping and dyeing of hair fibers is achieved and natural cosmetic properties of hair are maintained.

Abstract: The hair cosmetic composition of the present invention, which is a one-agent type or a multi-agent type hair cosmetic composition, contains, the following components (A) to (D): (A): a compound selected from the group consisting of glyoxylic acid, a glyoxylic acid hydrate, a glyoxylate salt, and a glyoxylamide; (B): a phenolic compound having an electron-donating group on at least one m-position and having a hydrogen atom on at least one of the o-positions and the p-position, wherein the electron-donating group on the m-position may form, together with an adjacent carbon atom, a benzene ring optionally substituted with hydroxyl group(s); (C): a thickening polymer, showing viscosity of 100 mPa·s or higher when measured as a 10 mass % aqueous solution, at 20° C., within at least a part of pH region of 4 or lower, and using a B-type viscometer; and (D): water.

Abstract: The hair cosmetic composition of the present invention, which is a one-agent type or a multi-agent type hair cosmetic composition, contains, the following components (A) to (D), the component (C) content, relative to the total composition of the hair cosmetic composition, being 0.1 mass % or higher and lower than 20 mass %: (A): a compound selected from the group consisting of glyoxylic acid, a glyoxylic acid hydrate, a glyoxylate salt, and a glyoxylamide; (B): a phenolic compound having an electron-donating group on at least one m-position and having a hydrogen atom on at least one of the o-positions and the p-position, wherein the electron-donating group on the m-position may form, together with an adjacent carbon atom, a benzene ring optionally substituted with hydroxyl group(s); (C): an organic solvent having a boiling point of 100° C. or higher; and (D): water.

Abstract: The invention is directed to a three-part bleaching composition and method comprising pigments in a third composition. It has unexpectedly been found that an third composition comprising pigments increase the contrast between bleaching composition and keratin fibers to a degree which allows for a more accurate judgement of the desired end point of bleaching during the bleaching process.

Abstract: The present invention relates to a process for semi-permanent straightening and permanent shaping hair, especially human hair, for improved and milder semi-permanent straightening and permanent shaping. It is found out that when commonly used permanent shaping reducing composition is mixed with another composition comprising predominantly carboxylic acids, the permanent shaping effect of the composition is improved, homogeneous shaping of hair fibers is achieved and natural cosmetic properties of hair is maintained and hair may be semi-permanently straightened before such process.