Abstract: A compound of formula (I): wherein: R1 is H, benzyl, —CH2—O-benzyl, a straight or branched C1-C12 alkyl radical, a hydroxyalkyl radical or a polyhydroxyalkyl radical, R2 is H; a straight or branched C1-C12 alkyl radical; a —(CH2)3—CH?CH2 radical; a phenyl, naphthyl, furan, thiophene or pyrazole radical, optionally substituted by at least one group selected among methoxy, phenoxy, halogen, dimethylamine, trifluoromethyl and alkynyl, R3 is H; a vinyl radical optionally substituted by a carboxyalkyl; a nitrile; a carboxamide; a phenyl, naphthyl, furan, thiophene or pyrazole radical, optionally substituted by at least one group selected among methoxy, phenoxy, halogen, dimethylamine, trifluoromethyl and alkynyl; an aminoalkyl or aminocarboxyl radical; or an alkoxy radical, R4 is H, a protective grouping, a straight or branched C1-C12 alkyl radical, a hydroxyalkyl radical or a polyhydroxyalkyl radical, and when: R2 is H, R3 is —NHCOOC(CH3)3, R2 is a propyl, R3 is —CH?CH—COO—C2H5 or R1=R3=R4=H, R2 is a non-s

Abstract: The invention relates to the cosmetic use of a compound chosen from the compounds of formula (A) and the salts of same as an agent for depigmenting the skin and/or keratinous appendages.

Abstract: The invention relates to the cosmetic use of a compound chosen from the compounds of formula (A) and the salts of same as an agent for depigmenting the skin and/or keratinous appendages.

Abstract: The invention relates to a mixture comprising protolichesterinic acid or a salt thereof or a diastereoisomer thereof or a derivative thereof, and lichesterinic acid or a salt thereof or an enantiomer thereof or a derivative thereof, for use for stimulating pigmentation of the skin and/or of its appendages. The invention also relates to derivatives of lichesterinic acid of formula (A).

Abstract: The invention relates to a mixture comprising protolichesterinic acid or a salt thereof or a diastereoisomer thereof or a derivative thereof, and lichesterinic acid or a salt thereof or an enantiomer thereof or a derivative thereof, for use for stimulating pigmentation of the skin and/or of its appendages. The invention also relates to derivatives of lichesterinic acid of formula (A).