摘要:
Cosmetic compositions with anti-free radical activity have been developed. Such compositions preferably contain an association of at least the following three substances with anti-free radical activity: idebenone; N-acetylcysteine, and alpha-tocotrienol or an ester thereof with a C2-C4 organic acid.
摘要:
Cosmetic compositions with anti-free radical activity have been developed. Such compositions preferably contain an association of at least the following three substances with anti-free radical activity: an extract of emblica, idebenone and N-acetylcysteine.
摘要:
The invention relates to compounds of formula: ##STR1## in which: R.sub.1 and R.sub.2 denote, independently of one another, a hydrogen atom or alternatively a carbamoyl group of formula: ##STR2## with R'.sub.3 denoting hydrogen or R.sub.3 ; an alkoxycarbonyl group of formula: ##STR3## or an acyl group of formula: ##STR4## in which formulae R.sub.3 denotes an alkyl, alkenyl or cycloalkyl radical; R.sub.3 can also denote an aryl or aralkyl radical; andR denotes a linear or braanched C.sub.1 -C.sub.8 alkyl radical substituted with one or more halogen atoms, and to their use for the treatment and prevention of hair loss and for stimulating its regrowth.
摘要:
The invention relates to the use of 5-hydroxy-1,4-naphthoquinones of the formula: ##STR1## in which R.sub.1 and R.sub.2, which are identical or different, independently of one another denote a hydrogen atom, a methyl, methoxy or nitro group or a halogen atom; R.sub.3 and R.sub.4, which are identical or different, independently of one another denote a hydrogen atom or a hydroxyl, methyl or methoxy group; and R.sub.5 denotes a hydrogen atom or a methyl or methoxy group, with the proviso that at least one of the substituents R.sub.1 and R.sub.2 is different from hydrogen, if R.sub.3, R.sub.4 and R.sub.5 simultaneously denote a hydrogen atom, for dyeing human keratin fibres, in particular the hair.
摘要:
A compound of the formula I: R-A-Gly-His-B (I) wherein: A and B are independently of each other a L-lysine residue, a D-lysine residue, or a L- or D-lysine residue in which the NH2 group of the side chain comprises a modification, where-in said modification is (i) a replacement with a hydrogen, (ii) an acetylation, (iii) a benzoylation, or (iv) a palmitoylation; GIy is a glycine residue; His is a L- or D-histidine residue; R is CH3—(CH2)n—CO—, wherein n=2, 3, 4, 5, 6, 7 or 8; R′ is a group of formula (II): N(Z)(Z′) (II) wherein: Z and Z′ is hydrogen, a methyl group, an ethyl group, a phenyl group, an hexyl group, a decyl group or an hexadecyl group; or a racemate, an enantiomer or a diastereomer thereof, or mixtures thereof, or a salt thereof.
摘要:
The invention relates to the use of peptidic conjugates containing Gly-His-Lys for producing dermatological or cosmetological compositions for stimulating hair growth or stopping hair fall.
摘要:
The invention relates to novel peptidic conjugates containing a Gly-His-Lys sequence and used for dermatology or cosmetology for stimulating hair growth or stopping hair fall.
摘要:
The invention relates to novel compositions for the oxidation dyeing of keratin fibers, comprising at least one specific diaminopyrazole derivative, to the dyeing process using this composition, to novel diaminopyrazole derivatives and to a process for their preparation.
摘要:
Topical compositions intended for skin treatment and based on salicylic acid derivatives.The invention relates to topical compositions with a keratolytic and/or comedolytic effect, containing, in a carrier which is suitable for application to skin, at least one compound corresponding to the formula I: ##STR1## in which R denotes a linear, branched or cyclized saturated aliphatic chain containing from 3 to 11 carbon atoms, an unsaturated chain containing from 3 to 17 carbon atoms and containing one or more conjugated or unconjugated double bonds, these various substituents being optionally substituted by one or more halogen atoms, by one or more trifluoromethyl groups, by one or more hydroxyl groups in free form or esterified with an acid containing from 1 to 6 carbon atoms or by a carbonyl group which is free or esterified with a lower alcohol containing from 1 to 6 carbon atoms,R' denotes a hydroxyl group or an ester group of formula: ##STR2## where R.sub.1 denotes a saturated or unsaturated aliphatic group containing from 1 to 18 carbon atoms.
摘要:
A cosmetic composition has an association of at least three of the following substances with anti-free radical activity, selected from:A cosmetic composition has an association of at least three of the following substances with anti-free radical activity, selected from:1) ebselen; or idebenone; or an association of the two; and2) at least one substance with anti-free radical activity, or at least two substances with anti-free radical activity for obtaining said association of at least three substances with anti-free radical activity, said substance(s) being selected from:a) a substance of chemical formula (I) below: in which: R=a linear or branched, saturated or unsaturated C1-C16 hydrocarbon chain; and R1, R2 and R3 are identical or different and are a hydrogen atom or a methyl or methoxy radical, and its esters; b) an extract of Edelweiss; c) an extract of Emblica; and d) N-acetylcysteine. The anti-free radical activity is greatly improved.