Abstract: The disclosure relates to ready-to-use cosmetic compositions for permanently shaping keratin fibers comprising, as a permanent hair-shaping active agent, an imine not belonging to the hydroxide family. The disclosure also provides kits comprising compartments to be placed in contact to form the ready-to-use compositions, and processes using these compositions.

Abstract: The present disclosure relates to a ready-to-use composition for permanently shaping keratin fibers comprising, as permanent shaping agent, at least one tetramethylguanidine, a kit comprising compartments comprising the contents of the ready-to-use composition, and also to a process for using this composition.

Abstract: Disclosed herein is a ready-to-use cosmetic composition for relaxing keratin fibers comprising, as relaxing agent, at least one secondary or tertiary amine. Further disclosed herein are a kit comprising at least two compartments to be placed in contact to form the ready-to-use composition, and a process using this composition.

Abstract: The disclosure provides ready-to-use cosmetic compositions for permanently shaping keratin fibers comprising, as permanent hair-shaping active agent, a base not belonging to the hydroxide family. The disclosure also provides kits comprising compartments to be placed in contact to form the ready-to-use compositions, and processes using these compositions.

Abstract: The disclosure provides ready-to-use cosmetic compositions for relaxing keratin fibers in a cosmetically acceptable medium free of polyhydroxylated alkane, containing, as a relaxing agent, an imine not belonging to the hydroxide family. The disclosure also provides kits containing compartments to be placed in contact to form the ready-to-use compositions, and processes using these compositions.

Abstract: The present application relates to a cosmetic or pharmaceutical, in particular lipstick, composition comprising a polycondensate The application also relates to a method of cosmetic treatment using the composition, the polycondensate thus defined and a method of preparing the polycondensate.

Abstract: The present application relates to a polycondensate that can be obtained by reaction: of polyol containing 3 to 6 hydroxyl groups; of non-aromatic, saturated or unsaturated mono-carboxylic acid; of aromatic monocarboxylic acid containing 7 to 11 carbon atoms; and of polycarboxylic acid, saturated or unsaturated, or even aromatic, linear, branched and/or cyclic, containing at least 2 carboxyl groups COOH; and/or a cyclic anhydride of such a polycarboxylic acid. The application also relates to a method of cosmetic treatment employing said composition, the polycondensate thus defined and a method of preparation of the polycondensate.

Abstract: Polycondensate, composition containing it, especially a nail varnish composition, and process for preparation. The polycondensate may be obtained by reacting: a polyol comprising 3 to 6 hydroxyl groups; a saturated or unsaturated non-aromatic monocarboxylic acid; an aromatic monocarboxylic acid containing 7 to 11 carbon atoms; and a saturated or unsaturated, or even aromatic, linear, branched and/or cyclic polycarboxylic acid, comprising at least two carboxylic groups COOH; and/or a cyclic anhydride of such a polycarboxylic acid.

Abstract: The present invention relates to an aqueous reducing composition, for the first step of a process to permanently reshape the hair, comprising in a cosmetically acceptable medium, as reducing agents, one or more dicarboxydithiols of general formula (I) and/or of general formula (II): wherein: R1, R2, R?1, R?2 independently represent OR3 or NR4R5, where R3 represents H or a linear or branched C1-C5 alkyl group optionally substituted by one or two OR7 radicals, where R7 represents H or a C1-C3 alkoxy radical, R4, R5 are independently H or a linear or branched C1-C5 alkyl group optionally substituted by one or two radicals selected from hydroxy, methoxy, ethoxy, methylamino, ethylamino and dimethylamino radicals, R1 and R2 not being simultaneously a hydroxyl radical and R?1 and R?2 not being simultaneously a hydroxyl radical; A either represents (CH2)n where n is an integer ranging from 1 to 4, or a —(CH2)m—X—(CH2)p— radical, where m is 1 or 2, p is 1 or 2 and X represents O, S, NHCO or NR6, where R6 repr

Abstract: The present disclosure relates to a ready-to-use cosmetic composition for relaxing keratin fibers in a cosmetically acceptable medium comprising, as an active relaxing agent, a polyguanidine not belonging to the hydroxide family. The present disclosure is also directed to a multi-compartment kit comprising at least two compartments to be placed in contact to form the ready-to-use composition. Another aspect of the present disclosure relates to a process for using the presently disclosed composition.

Abstract: Disclosed herein is a ready-to-use cosmetic composition for shaping keratin fibers, comprising, in a cosmetically acceptable medium, as active agent for shaping, a polyguanidine not belonging to the hydroxide family. Also disclosed herein is a kit comprising at least two compartments to be brought into contact to form the ready-to-use composition. Further disclosed herein is a method for shaping keratin fibers comprising applying this composition to the keratin fibers.

Abstract: The invention relates to a reducing composition for the permanent deformation of the hair comprising an N-substituted formamidinesulphinic acid derivative as reducing agent and to a process for the permanent deformation of the hair employing this reducing composition.

Abstract: The present disclosure relates to a ready-to-use composition for permanently shaping keratin fibers comprising, as permanent shaping agent, at least one tetramethylguanidine, a kit comprising compartments comprising the contents of the ready-to-use composition, and also to a process for using this composition.

Abstract: The present disclosure relates to specific dimercaptoamides, reducing compositions for permanently reshaping keratin fibers comprising the dimercaptoamides, for instance, human keratin fibers such as the hair; and processes for reshaping keratin fibers comprising the application of said reducing compositions. The present disclosure also relates to processes for preparing the dimercaptoamides.

Abstract: The present invention relates to an aqueous reducing composition, for the first step of a process to permanently reshape the hair, comprising, in a cosmetically acceptable medium, one or more carboxydithiols as reducing agents.

Abstract: The present invention relates to an aqueous reducing composition, for the first step of a process to permanently reshape the hair, comprising in a cosmetically acceptable medium, as reducing agents, one or more dicarboxydithiols of general formula (I) and/or of general formula (II): wherein: R1, R2, R?1, R?2 independently represent OR3 or NR4R5, where R3 represents H or a linear or branched C1-C5 alkyl group optionally substituted by one or two OR7 radicals, where R7 represents H or a C1-C3 alkoxy radical, R4, R5 are independently H or a linear or branched C1-C5 alkyl group optionally substituted by one or two radicals selected from hydroxy, methoxy, ethoxy, methylamino, ethylamino and dimethylamino radicals, R1 and R2 not being simultaneously a hydroxyl radical and R?1 and R?2 not being simultaneously a hydroxyl radical; A either represents (CH2)n where n is an integer ranging from 1 to 4, or a —(CH2)m—X—(CH2)p— radical, where m is 1 or 2, p is 1 or 2 and X represents O, S, NHCO or NR6, where R6 repr

Abstract: Disclosed herein is a ready-to-use cosmetic composition for relaxing keratin fibers, comprising at least one tetramethylguanidine as relaxing agent. Further disclosed herein are a kit comprising at least two compartments to be brought into contact to form the ready-to-use composition, and a process using this composition.

Abstract: The invention concerns a method for treating hair keratin fibers to provide them with new appropriate properties, comprising the following steps: reducing the sulphur bonds of hair keratin to generate only at the surface of the fibers at a depth less than 10 ?m. reactive sites and in fixing covalently on said reactive sites at least one active compound for providing the hair keratin fibers with new appropriate properties, said active compound containing at least a reactive function capable of reacting with said reactive sites formed at the keratin fiber surface. This method is applicable to the treatment of fibrous or non-fibrous keratin substances of human or animal origin.

Abstract: The disclosure provides ready-to-use cosmetic compositions for relaxing keratin fibers in a cosmetically acceptable medium free of polyhydroxylated alkane, containing, as a relaxing agent, an imine not belonging to the hydroxide family. The disclosure also provides kits containing compartments to be placed in contact to form the ready-to-use compositions, and processes using these compositions.

Abstract: The present disclosure relates to a ready-to-use cosmetic composition for permanently shaping keratin fibers comprising, as the active permanent shaping agent, at least one amine chosen from secondary and tertiary amines. The present disclosure is also directed to a kit comprising the ready-to-use composition, and also to a process using this composition.