Self-tanning composition containing an N-acyl amino acid ester and a self-tanning agent
AssigneeL'oreal
InventorDidier Candau
Life of this patent
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Abstract
The invention relates to cosmetic and/or dermatological compositions more particularly intended for artificially tanning and/or browning the skin, comprising, in a cosmetically acceptable support, at least one self-tanning agent and at least one N-acyl amino acid ester. The invention also relates to a cosmetic treatment process for artificially tanning and/or browning the skin, comprising applying to the skin an effective amount of the cosmetic and/or dermatological composition. The invention also relates to the use of an N-acyl amino acid ester with the aim of improving the coloration and/or stability of a self-tanning agent in a composition for artificially tanning and/or browning the skin.
Claims22
A cosmetic and/or dermatological composition, comprising, in a cosmetically acceptable medium:
- (i) at least one self-tanning agent, and
- (ii) at least one N-acyl amino acid ester of formula
- R′1 (CO)N(R′2)CH(R′3)(CH2)n(CO)OR′4
- in which:
- n is a 0, 1 or 2 integer,
- R′1 represents a linear or branched C5 to C21 alkyl or alkenyl radical,
- R′2 represents a hydrogen atom or a C1 to C3 alkyl group,
- R′3 represents a hydrogen atom, a methyl group, an ethyl group or a linear or branched C3 or C4 alkyl chain, and
- R′4 represents a linear or branched C1 to C10 alkyl radical, a linear or branched C2 to C10 alkenyl radical or a sterol residue.
Dependencies are inferred from the claim text.