摘要:
Hydraulic coupler compounds corresponding to the formula: ##STR1## in which R.sub.1 denotes a hydrogen atom or a C.sub.1 -C.sub.4 alkyl radical; R.sub.2 and R.sub.3, which may be identical or different, denote a hydrogen atom, a C.sub.1 -C.sub.4 lower alkyl radical, a carboxyl radical or an alkoxycarbonyl radical; X denotes a C.sub.1 -C.sub.4 lower alkyl radical, a C.sub.1 -C.sub.18 alkoxy radical, a halogen atom, a C.sub.1 -C.sub.20 acyloxy radical, an acetylamino group, a trimethylsilyloxy group or a dialkyl(C.sub.1 -C.sub.4)aminomethyl group, the OH group occupying the 6- or 7-positions, as well as their salts, are combined with oxidation dye precursors for dyeing keratinous fibers.
摘要:
Novel silicone-substituted cinnamamide/malonamide/malonate compounds having the structural formulae (1) and (2): ##STR1## in which A is a radical of formula (3): ##STR2## are well suited for the photoprotection of human skin and/or hair against the damaging effects of UV-A and UV-B irradiation, particularly solar radiation, and are also useful for photoprotecting such UV-sensitive substrates as plastics.
摘要:
The invention relates to novel cyclodextrin derivatives of formula (I)CD(OH).sub.l (OR.sub.1).sub.m (OR.sub.2).sub.n (I)in which:OR.sub.1 represents a screening or antioxidant group or a mixture thereof,OR.sub.2 represents an alkyl or hydroxyalkyl radical, l, m and n are statistical values.The invention also relates to a process for the preparation of these compounds and to the use of these compounds in cosmetics.
摘要:
Topically applicable sunscreen/cosmetic compositions well suited for enhanced photoprotection of human skin and/or hair against the damaging effects of UV-A and UV-B irradiation, particularly solar radiation, comprise a photoprotecting effective amount of a novel benzotriazole-substituted polyorganosiloxane/polyorganosilane having one of the formulae (1) to (3): ##STR1## wherein A is a monovalent benzotriazole radical bonded directly to a silicon atom and having the formula (4): ##STR2## the compounds of formulae (1) to (3) are prepared, e.g., via hydrosilylation, from novel intermedates, per se also exhibiting sunscreen activity, and having the formula (4a): ##STR3##
摘要:
Topically applicable sunscreen/cosmetic compositions well suited for enhanced photoprotection of human skin and/or hair against the damaging effects of UV-A and UV-B irradiation, particularly solar radiation, comprise a photoprotecting effective amount of a novel cinnamonitrile-substituted polyorganosiloxane/polyorganosilane.
摘要:
Topically applicable sunscreen/cosmetic compositions well suited for enhanced photoprotection of human skin and/or hair against the damaging effects of UV-A and UV-B irradiation, particularly solar radiation, comprise a photoprotecting effective amount of a novel cinnamonitrile-substituted polyorganosiloxane/polyorganosilane having one of the formulae (1) to (3): ##STR1## wherein A is a monovalent cinnamonitrile radical which comprises an alkylene or alkyleneoxy bridging group, which is bonded directly to a silicon atom, and which has the formula (4): ##STR2##
摘要:
The invention relates to novel compounds of the organosiloxane and organosilane type, bearing at least one function derived from salicylic acid. These novel products have, in particular, desquamating and/or anti-aging properties and may be used in topical application.
摘要:
Compound of formula: ##STR1## in which R.sub.1 is of the formula: ##STR2## and R.sub.2 is a C.sub.8 -C.sub.20 alkoxy or mono- or dialkylamino or is of the formula: ##STR3## where n=0 or 1; R.sub.4 denotes H, OH or C.sub.1 -C.sub.6 alkoxy; R.sub.5 denoted H or COOR.sub.3 and R.sub.3 is a C.sub.4 -C.sub.20 alkyl.Application of these compounds for the protection of the skin and hair against ultraviolet radiation.
摘要:
The invention relates to a compound of formula: ##STR1## where R.sub.1 is of the formula: ##STR2## where R.sub.3 represents a linear or branched C.sub.1 -C.sub.20 alkyl; R.sub.2 is identical to R.sub.1 or is a halogen or a linear or branched C.sub.1 -C.sub.20 alkoxy or mono- or dialkylamino or is of the formulae (III) or (IV): ##STR3## where R.sub.5 is a linear or branched C.sub.1 -C.sub.20 alkyl and n=0 or 1;R.sub.4 denotes H, OH or C.sub.1 -C.sub.5 alkoxy; ##STR4## Application of these compounds to the protection of the skin and hair against ultraviolet radiation.