The present invention relates to bicyclic compounds of formula (I) and compositions for cosmetic and therapeutic applications and compositions comprising an acceptable vehicle and an effective amount of a compound of formula (I).本発明は、式(I)の二環式化合物ならびに美容および治療用途のための組成物および許容可能なビヒクルと有効量の式(I)の化合物とを含む組成物に関する。