Abstract: Stable, topically applicable cosmetic/dermatological sunscreen compositions, well suited for the UV-photoprotection of human skin/keratinous materials, contain a thus effective amount of at least one novel s-triazine compound bearing at least one para-aminobenzalmalonic salt substituent.

Abstract: Cosmetic compositions for topical use for protecting the skin and the hair, containing, in a cosmetically acceptable support, at least one compound of formula (1) or (2) in which X1 represents R3—(C?O)—, R3—SO2— or R3—O—(C?O)—, X2 represents —(C?O)—R?3—(C?O)—, —SO2—R?3—SO2— or —(C?O)—O—R?3—O—(C?O)—, Y represents —(C?O)—R4 or —SO2R5, R2 represents a C1-8 alkyl group, n is 0, 1 or 2, R3 represents C1-30 alkyl or C3-30 alkenyl, R?3 represents a single bond or a divalent C1-30 alkylene or C3-30 alkenylene radical, R4 represents —OR6 or —NHR6, R5 represents C1-30 alkyl or a phenyl nucleus, R6 represents C1-30 alkyl or C3-30 alkenyl, and novel compounds of formula (2).

Abstract: Stable, topically applicable cosmetic/dermatological sunscreen compositions, well suited for the UV-photoprotection of human skin/keratinous materials, contain a thus effective amount of at least one novel amine, amide, sulphonamide or carbamate substituted benzalmalonic salt compound.

Abstract: Cosmetic compositions for topical use for protecting the skin and the hair, containing, in a cosmetically acceptable support, at least one compound of formula (1) or (2) in which X1 represents R3—(C?O)—, R3—SO2— or R3—O—(C?O)—, X2 represents —(C?O)—R?3—(C?O)—, —SO2-R?3—SO2— or —(C?O)—O—R?3—O—(C?O)—, Y represents —(C?O)—R4 or —SO2R5, R2 represents a C1-8 alkyl group, n is 0, 1 or 2, R3 represents C1-30 alkyl or C3-30 alkenyl, R?3 represents a single bond or a divalent C1-30 alkylene or C3-30 alkenylene radical, R4 represents —OR6 or —NHR6, R5 represents C1-30 alkyl or a phenyl nucleus, R6 represents C1-30 alkyl or C3-30 alkenyl, and novel compounds of formula (2).

Abstract: Cosmetic compositions for topical use for protecting the skin and the hair, containing, in a cosmetically acceptable support, at least one compound of formula (1) or (2) in which X1 represents R3—(C?O)—, R3—SO2— or R3—O—(C?O)—, X2 represents —(C?O)—R?3—(C?O), —SO2—R?3—SO2— or —(C?O)—O—R?3—O—(C?O)—, Y represents —(C?O)—R4 or —SO2R5, R2 represents a C1-8 alkyl group, n is 0, 1 or 2, R3 represents C1-30 alkyl or C3-30 alkenyl, R?3 represents a single bond or a divalent C1-30 alkylene or C3-30 alkenylene radical, R4 represents —OR6 or —NHR6, R5 represents C1-30 alkyl or a phenyl nucleus, R6 represents C1-30 alkyl or C3-30 alkenyl, and novel compounds of formula (2).

Abstract: Stable, topically applicable cosmetic/dermatological sunscreen compositions, well suited for the UV-photoprotection of human skin/keratinous materials, contain a thus effective amount of at least one novel amine, amide, sulphonamide or carbamate substituted benzalmalonic salt compound.

Abstract: Stable, topically applicable cosmetic/dermatological sunscreen compositions, well suited for the UV-photoprotection of human skin/keratinous materials, contain a thus effective amount of at least one novel amine, amide, sulphonamide or carbamate substituted benzalmalonic salt compound.

Abstract: Stable, topically applicable cosmetic/dermatological sunscreen compositions, well suited for the UV-photoprotection of human skin/keratinous materials, contain a thus effective amount of at least one novel s-triazine compound bearing at least one para-aminobenzalmalonic salt substituent.

Abstract: Stable, topically applicable cosmetic/dermatological sunscreen compositions, well suited for the UV-photoprotection of human skin/keratinous materials, contain a thus effective amount of at least one novel amine, amide, sulphonamide or carbamate substituted benzalmalonic salt compound.

Abstract: Cosmetic compositions for topical use for protecting the skin and the hair, containing, in a cosmetically acceptable support, at least one compound of formula (1) or (2) 1

Abstract: Cosmetic compositions for topical use for protecting the skin and the hair, containing, in a cosmetically acceptable support, at least one compound of formula (1) or (2) in which X1 represents R3—(C═O)—, R3—SO2— or R3—O—(C═O)—, X2 represents —(C═O)—R′3—(C═O)—, —SO2—R′3—SO2— or —(C═O)—O—R′3—O—(C═O)—, Y represents —(C═O)—R4 or —SO2R5, R2 represents a C1-8 alkyl group, n is 0, 1 or 2, R3 represents C1-30 alkyl or C3-30 alkenyl, R′3 represents a single bond or a divalent C1-30 alkylene or C3-30 alkenylene radical, R4 represents —OR6 or —NHR6, R5 represents C1-30 alkyl or a phenyl nucleus, R6 represents C1-30 alkyl or C3-30 alkenyl, and novel compounds of formula (2).

Abstract: Cosmetic compositions for topical use for protecting the skin and the hair, containing, in a cosmetically acceptable support, at least one compound of formula (1) or (2) 1

Abstract: An alkyl 3-oxoalkanoate, a process for preparation and use for the synthesis of fatty hydroxylated amino acids, fatty amino alcohols and ceramides.

Abstract: Novel liposoluble and photostable N-substituted benzimidazole/benzofuryl-benzazole silicon-containing compounds are conspicuously excellent UV-absorbers and are conveniently formulated, e.g., into topically applicable sunscreen/cosmetic compositions well suited for the UV-photoprotection of human skin and/or hair.

Abstract: This invention includes an alkyl 3-oxoalkanoate, and processes for its preparation and use for the synthesis of fatty hydroxylated amino acids, fatty amino alcohols and ceramides.

Abstract: The present invention relates to compounds corresponding to the formula: ##STR1## the compounds being in the form of mixtures of isomers at least on the amino alcohol part of the said formula (I). The invention also relates to a process for their preparation and their use, in particular for the treatment and care of the skin, the hair, the nails and the eyelashes in cosmetics or in dermatology.

Abstract: The subject of the invention is a process for the preparation of 2-aminoalkane-1,3,4-triols, in a single stage, preferably a single reduction state, from alkyl 2-hydroxyimino-3-oxo-4-acyloxyalkanoates. The invention makes possible a significant reduction in the number of stages and a marked improvement in the synthesis yields.

Abstract: The present invention relates to compounds corresponding to the formula: ##STR1## the compounds being in the form of mixtures of isomers at least on the amino alcohol part of the said formula (I). The invention also relates to a process for their preparation and their use, in particular for the treatment and care of the skin, the hair, the nails and the eyelashes in cosmetics or in dermatology.

Abstract: Alkylamino-mercaptoalkylamides have the formula ##STR1## wherein A represents the divalent radical --(CH.sub.2).sub.n --, wherein n is a whole number ranging from 2 to 5, or the divalent radical --(CH.sub.2).sub.2 --O--(CH.sub.2).sub.2 --,m is 0, 1 or 2,R.sub.1 represents hydrogen or linear or branched lower alkyl having 1-5 carbon atoms,R.sub.2 and R.sub.3, each independently, represent hydrogen or a linear or branched lower alkyl having 1-4 carbon atoms with the proviso that R.sub.2 and R.sub.3 are not hydrogen simultaneously and the salts of the compound of formula I as well as the corresponding disulfides with the exclusion of the disulfide in which A=--(CH.sub.2).sub.2 --, m=0, R.sub.1 and R.sub.2 =H and R.sub.3 =--C.sub.2 H.sub.5. The compound of formula I is used as a reducing agent in a cosmetic composition for the permanent deformation of hair.

Abstract: Alkylamino-mercaptoalkylamides have the formula ##STR1## wherein A represents the divalent radical --(CH.sub.2)n--, wherein n is a whole number ranging from 2 to 5, or the divalent radical --(CH.sub.2).sub.2 --O--(CH.sub.2).sub.2 --,m is 0, 1 or 2,R.sub.1 represents hydrogen or linear or branched lower alkyl having 1-5 carbon atoms,R.sub.2 and R.sub.3, each independently, represent hydrogen or a linear or branched lower alkyl having 1-4 carbon atoms with the proviso that R.sub.2 and R.sub.3 are not hydrogen simultaneously and the salts of the compound of formula I as well as the corresponding disulfides with the exclusion of the disulfide in which A.dbd.--(CH.sub.2).sub.2 --, m=0, R.sub.1 and R.sub.2 .dbd.H and R.sub.3 .dbd.--C.sub.2 H.sub.5. The compound of formula I is used as a reducing agent in a cosmetic composition for the permanent deformation of hair.