| abstract |
Stable galenic compositions of compounds of the general formula (I) in which R and R independently of each other represent an alkyl, aryl, arylalkyl group, It is optionally substituted by one or more linear or branched, optionally cyclic groups optionally carrying one or more heteroatoms, Said composition comprises: said compound of formula (I), at least one cosmetically and pharmaceutically acceptable anhydrous esters, the main chain and/or optionally the branches of which have no free and/or reactive groups or functional groups, in an amount of 0.1% to 99.9% by weight relative to the total weight of the composition, and optionally Preferably, at least one cosmetically and pharmaceutically acceptable excipient is used to make up 100% of the total weight of the composition. |