Patent ID: 8258123

Claim:
A method for the treatment of skin, skin associated body structures, hair, and skin-associated glands of a patient, the method comprising: providing a compound selected from compounds having the following formula: wherein a, b and c respectively denote, independently from each other, a single bond or a double bond, with the proviso that at least one of a, b and c represents a double bond, and with the proviso that if a is single bond and b is double bond R 2 is not H; R 1 is hydrogen or C 1 to C 6 alkyl; R 2 is hydrogen or OR 5 , wherein R 5 is hydrogen or C 1 to C 6 straight chain or branched alkyl; R 3 is, in case of c being a single bond, hydrogen or C 1 to C 6 alkyl, or in case of c being a double bond, CHR 5 , wherein R 5 is the same as defined before; R 4 is hydrogen, C 1 to C 6 alkyl, phenyl unsubstituted or substituted by C 1 to C 6 alkyl, COR 6 acyl group (R 6 being hydrogen; C 1 to C 6 straight chain or branched alkyl; phenyl or benzoyl respectively unsubstituted or substituted by C 1 to C 6 alkyl), or any group leading to hydroxyl upon biological metabolization or chemical deprotection; and salts and esters thereof; and administering to the patient a treatment effective amount of the compound.