A stable galenic composition of a compound of general formula (I) wherein R1 and R2 both represent independently of each other an alkyl, aryl, arylalkyl group, optionally substituted with one or more linear or branched groups, optionally bearing one or more heteroatoms,comprising said compound of formula I in an amount ranging from 0.01 to 15% by weight based on the total weight of the final composition,- at least one anhydrous ester, the main chain and/or optionally the branched chains of which are free from free and/or reactive groups or functions, in an amount ranging from 0.1 to 99.9% by weight based on the total weight of the cosmetically and pharmaceutically acceptable composition, and- optionally a cosmetically and pharmaceutically acceptable excipient for completing the 100% of the total weight of the composition.本發明揭示通式(I)化合物之安定草本(galenic)組成物,其中R1與R2均彼此獨立地表示視情況地經一個或以上之視情況地帶有一個或以上之雜原子的線形或分支基取代之烷基、芳基、芳烷基,其係包含按最終組成物總重量計範圍為0.01至15重量%之量的該式I化合物,- 按化妝上及醫藥上可接受組成物總重量計範圍為0.1至99.9重量%之量的至少一種無水酯,其主鏈及/或視情況地支鏈係無自由及/或反應性基或官能基,及達成100%組成物總重量之視情況地化妝上及醫藥上可接受賦形劑。
