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: Use of at least one material chosen from homopolymers and salts thereof of formula (I), defined herein, for moisturizing the skin, mucous membranes and/or keratin fibres, and/or as a moisturizer and/or emollient, for the skin, mucous membranes and/or keratin fibres. The invention also relates to a cosmetic or pharmaceutical composition for moisturizing the skin, mucous membranes and/or keratin fibres, comprising at least one material chosen from homopolymers and salts thereof of formula (I).

Abstract: The present invention relates to the use of polyols of formula (I): or a salt thereof, for preventing the hair from breaking. The invention also relates to a cosmetic composition comprising at least one such polyol or a salt thereof, in a cosmetically acceptable medium, and also to a cosmetic hair treatment process using the said composition.

Abstract: The present disclosure relates to novel N-alkylpolyhydroxylated secondary para-phenylenediamines, to processes for preparing them, to compositions for dyeing keratin fibers, for example keratin fibers such as the hair, comprising, in a medium that is suitable for dyeing, at least one such secondary para-phenylenediamine. The present disclosure also relates to processes for dyeing keratin fibers with the compositions according to the present disclosure, and to dyeing kits containing such compositions.

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: Use of at least one aminophenol derivative of formula (I) below: in which: R represents a hydrogen atom or a radical —COR2, wherein R2 represents a saturated or unsaturated, linear, cyclic or branched, optionally hydroxylated, C1 to C30 hydrocarbon or alkoxy radical; R1 is a radical of formula (a), (b) or (c) below: (a) —CO—NR3R4 (b) —CO—O—R5 (c) —SO2—R5 wherein R3 represents a hydrogen atom or a linear or branched, saturated or unsaturated, optionally hydroxylated, C1 to C4 hydrocarbon radical, R4 represents a hydrogen atom or a saturated or unsaturated, linear, cyclic or branched, optionally hydroxylated, C1 to C30 hydrocarbon radical, and R5 represents a saturated or unsaturated, linear, cyclic or branched, optionally hydroxylated, C1 to C30 hydrocarbon radical, in a depigmenting and/or bleaching cosmetic composition for human skin, body hairs or head hair; compositions comprising the derivatives of formula (I) and a process for depigmenting and/or bleaching the skin, body hairs and/or head hairs.

Abstract: The invention concerns the use in a cosmetic composition of at least a poly-aminoacid of general formula (I) in which X is —O—, —S— or —NR3; R1 represents in particular a hydrogen atom or a C1-C40 alkyl radical; R2 represents in particular a hydrogen atom or an optionally substituted alkyl radical; R3 represents a hydrogen atom or an alkyl radical; R4 represents a hydrogen atom or a radical such as NH2, OH, SH, —CHOHCH3, —CONH2; n is a number greater than 1 such that the poly-aminoacid derivative molecular weight ranges between 200 and 200000. The invention also concerns the use of said derivatives for keratinous fibre strengthening and care.

Abstract: The invention concerns the use in a cosmetic composition of at least a poly-aminoacid of general formula (1) in which X is —O—, —S— or —NR3; R1 represents in particular a hydrogen atom or a C114 C40 alkyl radical; R2 represents in particular a hydrogen atom or an optionally substituted alkyl radical; R3 represents a hydrogen atom or an alkyl radical; R4 represents a hydrogen atom or a radical such as NH2, OH, SH, —CHOHCH3, —CONH2; n is a number greater than 1 such that the poly-aminoacid derivative molecular weight ranges between 200 and 200000. The invention also concerns the use of said derivatives for keratinous fibre strengthening and care.

Abstract: The invention relates to a composition for topical application to the skin and/or its superficial growths comprising, in a cosmetically and/or dermatologically acceptable medium, at least one compound comprising an iminophenol fragment and to the use of the said compound in a composition as agent for depigmenting and/or lightening the human skin, the body hairs and/or the hair. It also relates to a process for depigmenting and/or lightening the skin, the body hairs and/or the hair which consists in applying the abovementioned composition to the human skin, the body hairs and/or the hair.

Abstract: Use of at least one material chosen from homopolymers and salts thereof of formula (I), defined herein, for moisturizing the skin, mucous membranes and/or keratin fibres, and/or as a moisturizer and/or emollient, for the skin, mucous membranes and/or keratin fibres. The invention also relates to a cosmetic or pharmaceutical composition for moisturizing the skin, mucous membranes and/or keratin fibres, comprising at least one material chosen from homopolymers and salts thereof of formula (I).

Abstract: Use of at least one aminophenol derivative of formula (I) below: 1

Abstract: Use of at least one aminophenol derivative of formula (I) below: in which: R represents a hydrogen atom or a radical —COR2, wherein R2 represents a saturated or unsaturated, linear, cyclic or branched, optionally hydroxylated, C1 to C30 hydrocarbon or alkoxy radical; R1 is a radical of formula (a), (b) or (c) below: (a) —CO—NR3R4 (b) —CO—O—R5 (c) —SO2—R5 wherein R3 represents a hydrogen atom or a linear or branched, saturated or unsaturated, optionally hydroxylated, C1 to C6 hydrocarbon radical, R4 represents a hydrogen atom or a saturated or unsaturated, linear, cyclic or branched, optionally hydroxylated, C1 to C30 hydrocarbon radical, and R5 represents a saturated or unsaturated, linear, cyclic or branched, optionally hydroxylated, C1 to C30 hydrocarbon radical, in a depigmenting and/or bleaching cosmetic composition for human skin, body hairs or head hair; compositions comprising the derivatives of formula (I) and a process for

Abstract: The invention relates to the use of aminoalcohol derivatives containing a urea functional group corresponding to the following formula: in which: R1 represents a linear or branched, saturated or unsaturated alkyl radical having from 8 to 22 carbon atoms; R2 represents a hydrogen atom or a linear or branched, saturated alkyl radical having from 1 to 6 carbon atoms; R3 represents a linear or branched, monohydroxylated or polyhydroxylated, saturated alkyl group having from 1 to 10 carbon atoms, in and for the preparation of cosmetic or dermatological compositions. These compounds are used in particular as moisturizing agents in care products for the skin or as conditioning agents in hair products.

Abstract: The invention relates to the use of aminoalcohol derivatives containing a urea functional group corresponding to the following formula: 1

Abstract: The invention relates to a composition, in particular a cosmetic or dermatological composition, having an aqueous dispersion of vesicles with a lipid membrane, characterized in that the lipid membrane contains at least one carbamate of following formula (I): ##STR1## wherein R.sub.1 and R.sub.2 are defined in the specification.

Abstract: The invention relates to the use of aminoalcohol derivatives containing a urea functional group corresponding to the following formula: ##STR1## in which: R.sub.1 represents a linear or branched, saturated or unsaturated alkyl radical having from 8 to 22 carbon atoms;R.sub.2 represents a hydrogen atom or a linear or branched, saturated alkyl radical having from 1 to 6 carbon atoms;R.sub.3 represents a linear or branched, monohydroxylated or polyhydroxylated, saturated alkyl group having from 1 to 10 carbon atoms, in and for the preparation of cosmetic or dermatological compositions. These compounds are used in particular as moisturizing agents in care products for the skin or as conditioning agents in hair products.

Abstract: The invention relates to the use of aminoalcohol derivatives containing a urea functional group corresponding to the following formula: ##STR1## in which: R.sub.1 represents a linear or branched, saturated or unsaturated alkyl radical having from 8 to 22 carbon atoms; R.sub.2 represents a hydrogen atom or a linear or branched, saturated alkyl radical having from 1 to 6 carbon atoms; R.sub.3 represents a linear or branched, monohydroxylated or polyhydroxylated, saturated alkyl group having from 1 to 10 carbon atoms, in and for the preparation of cosmetic or dermatological compositions. These compounds are used in particular as moisturizing agents in care products for the skin or as conditioning agents in hair products.

Abstract: Stable, topically applicable cosmetic/dermatological compositions well suited for artificially tanning or browning human skin and appropriately packaged, comprise at least one dihydroxyacetone (DHA) derivative convertible into DHA and, advantageously, at least one active species for effecting such conversion.