Topical therapy for acne vulgaris. Offered by prescription only; all Obagi tretinoin formulations are fragrance free of charge. Pregnancy. There haven’t been ample controlled studies still to evaluate tretinoin’s safety during pregnancy. In case you’re pregnant, or decide to be, explore the likely harms and Gains so you can also https://www.beastbeauty.co.uk/advantages-of-using-tretinoin/