Is Tretinoin An Effective Treatment For Acne? Topical tretinoin for acne is the over-the-counter (or, more often, over the Internet) form of the best-known acne drug Retin-A. You're one step closer retin medication to finding the combination of treatments that work for you. In some studies, under different conditions, however, when mice treated with tretinoin were exposed to artificial sunlight, retin medication the incidence and rate of development of skin tumors was reduced. Have been considering jumping onto the Tretinoin bandwagon for a long time. The sound of purging just scared the crap out of me. Kind of how I stopped using my Clarisonic after a good 2 weeks then my acne was all over the place. How to use Tretinoin 0.025 % Topical Cream. Read the Patient Information Leaflet if one is available from your pharmacist. Consult your doctor or pharmacist if you have questions. Retin-A (tretinoin): I have mild acne and started using Retin A 0.025%. I've been using the cream for about three weeks now and I didn't see much change in the first two weeks. Azelaic Acid, a.k.a “The Unsung Hero.” The equivalent of that really cool kid in school no one knows about. One google search and you’ll quickly learn this ingredient doesn’t get the love it deserves. Clinical Pharmacology: Although the exact mode of action of Tretinoin is unknown, current evidence suggests that topical Tretinoin decreases cohesiveness of follicular epithelial cells with decreased microcomedo formation. All medicines have risks and benefits, and individual results may vary. Only purchase medicines from this site in accordance with the advice you have obtained from an appropriate medical professional. Buying tretinoin. No serum and buying creams should not be tretinoin applied under tretinoin. Do not use buying other medications with Tretinoin tretinoin which buying are not recommended buying by your doctor. RETIN-A (tretinoin) Cream and Gel. DESCRIPTION. RETIN-A Gel, Cream and Liquid, containing tretinoin are used for the topical treatment of acne vulgaris.