Abstract:
Diiminoisoindoline derivatives or 3-aminoisoindolone derivatives, or tautomeric forms thereof, used as oxidizing-agent-free dye precursors in dyeing keratin fibers, in particular human keratin fibers such as the hair, without an oxidizing agent, in the presence of compounds containing a primary or secondary amine function; dye compositions containing these compounds and to the dyeing devices and processes used.
Abstract:
A composition for the oxidation dyeing of keratinous fibers comprising at least one imidazopyridine derivative as coupler and at least one oxidation base and the use of such an imidazopyridine derivative as a coupler, in combination with at least one oxidation base, for the oxidation dyeing of keratinous fibers and the dyeing processes employing them.
Abstract:
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##
Abstract:
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.
Abstract:
Products derived from 2-imino-2,3-dihydro-1H-indoles resulting from the oxidative polymerization of at least one compound of formula (I) or (II) below: ##STR1## in which: R.sub.1, R.sub.2 and R.sub.3 denote hydrogen, alkyl, carboxyl, alkoxycarbonyl, monohydroxyalkyl, polyhydroxyalkyl, alkoxyalkyl, monoalkylaminoalkyl or dialkylaminoalkyl; R'.sub.3 and R.sub.4 denote alkyl, carboxyl, alkoxycarbonyl, monohydroxyalkyl, polyhydroxyalkyl, alkoxyalkyl, monoalkylaminoalkyl or dialkylaminoalkyl;R.sub.5 denotes hydrogen, alkyl, monohydroxyalkyl, polyhydroxyalkyl, alkoxyalkyl, monoalkylaminoalkyl or dialkylaminoalkyl;and to the addition salts thereof with an acid, as well as to their uses in cosmetics for making up the exoskeleton and/or the skin.
Abstract:
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##
Abstract:
A mineral or organic particle-based product comprising an indoline product, a method for preparing same, and the use thereof in cosmetics. The product is a powder consisting of mineral or organic particles smaller than 200 microns, and comprises, in and/or on the particles, an indoline product obtained by oxidative polymerization using at least one indoline.
Abstract:
A composition for the oxidation dyeing of keratinous fibers containing at least one coupler selected from N-substituted 4-hydroxyindole compounds and acid addition salt thereofs and at least one oxidation base, N-substituted 4-hydroxyindole compounds, a process for synthesizing these substituted compounds, their use as couplers for the oxidation dyeing of keratinous fibers in combination with at least one oxidation base, as well as dyeing processes employing them.
Abstract:
A mineral or organic particle-based product comprising an indoline product, a method for preparing same, and the use thereof in cosmetics. The product is a powder consisting of mineral or organic particles smaller than 200 microns, and comprises, in and/or on the particles, an indoline product obtained by oxidative polymerization using at least one indoline.
Abstract:
The invention relates to the use of a 5,6-dihydroxyindoline corresponding to the formula (I): ##STR1## in which R represents a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group, as well as the acid addition salts of these compounds for dyeing keratinous materials, in particular human keratinous materials,and to the tinctorial compositions and methods employed.