Cosmetic or dermatological use of 7-hydroxylated steroids
AssigneeVitasterol Sarl
InventorFERNAND DRAY
Life of this patent
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Abstract
The invention concerns the use of a 7-hydroxylated steroid in a composition for preventing or treating skin-ageing effects and/or UV radiation effects on the skin. The invention also concerns a cosmetic treatment for skin-ageing effects and/or UV radiation effects on the skin.
Claims11
Use, in a composition for preventing or treating the symptoms of cutaneous aging and/or the effects of UV irradiation on the skin, of a compound corresponding to the formula:
- 2
- in which:
- R1 is selected from:
- a hydrogen atom, organic acid ester of 1 to 24 carbon atoms, sulfuric ester or phosphoric ester functions, or carbon-containing ether of 1 to 24 carbon atoms comprising zero or a number of nitrogen atoms, carbohydrate ethers of 3 to 100 carbon atoms and their derivatives comprising or not comprising one or a number of nitrogen atoms.
- R2 is selected from:
- a hydrogen atom or a fatty acid ester function of 1 to 24 carbon atoms.
- R3 is selected from:
- a hydrogen atom, an —OH group, the groups of formulae:
- —CO—R4, —CHOH—R4, ═CH—CH3, ═COH—CH3, —CHR4—CH3, ═O, in which R4 is an alkyl group comprising 1 to 10 carbon atoms, which is substituted or unsubstituted.
Use according to any one of the preceding claims, characterized in that the composition contains at least one compound of formula (I) or (II) combined with one or more adjuvants or vehicles used in cosmetology or dermatology.
Use according to any one of the preceding claims, characterized in that the composition contains between 0.05 and 10 mg and preferably between 0.05 and 5 mg of a compound of formula (I) or (II).
Method of cosmetic treatment of the symptoms of cutaneous aging and/or of the effects of UV irradiation on the skin, comprising the application to the skin of a cosmetic composition comprising at least one compound corresponding to the formula:
- 3
- in which:
- R1 is selected from:
- a hydrogen atom, organic acid ester of 1 to 24 carbon atoms, sulfuric ester or phosphoric ester functions, or carbon-containing ether of 1 to 24 carbon atoms comprising zero or a number of nitrogen atoms, carbohydrate ethers of 3 to 100 carbon atoms and their derivatives comprising or not comprising one or a number of nitrogen atoms.
- R2 is selected from:
- a hydrogen atom or a fatty acid ester function of 1 to 24 carbon atoms.
- R3 is selected from:
- a hydrogen atom, an —OH group, the groups of formulae:
- —CO—R4, —CHOH—R4, ═CH—CH3, ═COH—CH3, —CHR4—CH3, ═O, in which R4 is an alkyl group comprising 1 to 10 carbon atoms, which is substituted or unsubstituted.
Dependencies are inferred from the claim text.