8069c047_terlink_cosmetics_and_pharmacy__Active_agent
[Pharmaceutical function] tretinoin, isotretinoin: skin recovery, chemical peeling, acne treatment [Cosmetic function] banned from cosmetic products. Vitamin-A-palmitate is allowed (will transform into vitamin-A-acid in the skin). Used for collagen formation and recovery of the atrophic skin, treatment of acne, cornification disorders. [Active agent] 
vitamin-A-acid
Using synergies - How active agents and cream bases interlink cosmetics and pharmacy
Active agent