RETIN-A (tretinoin) Cream and Gel. DESCRIPTION. RETIN-A Gel, Cream and Liquid, containing tretinoin are used for the topical treatment of acne vulgaris. I reread and revised, probably hundreds of reviews about retinoids and brought out the optimal mode of using tretinoin, which I advise everyone (but ignore everyone, ha ha). RETIN-A® Cream Gel Liquid (tretinoin) For Topical Use Only Prescribing Information Description: RETIN-A Gel, Cream, and Liquid, containing tretinoin are used for the topical treatment of acne Indication. Tretinoin Gel (0.05%) and Cream (0.1%, 0.05% and 0.025%) are used in the topical treatment of acne vulgaris. Tretinoin is for use on the skin only. Retin-A (tretinoin) for Acne: I'm in my early 20s and have been applying Retin-A gel once a night for over a year now. Before starting the gel I had what I would describe as moderate acne. Tretinoin, also known as all-trans retinoic acid (ATRA), is medication used for the treatment of acne and acute promyelocytic leukemia. For acne, it is applied to the skin as a cream or ointment. For leukemia, it is taken by mouth for up to three months. The drug combination clindamycin/tretinoin is a topical acne treatment. It combines clindamycin phosphate (1.2%), an antibiotic, and tretinoin (0.025%), a retinoid. It comes in 2, 30, and 60 gram tubes and should be stored at 25°C (77°F), with the tube tightly shut away from light. Side effects may include peeling, redness, dryness, itching. Can you buy Retin A gel 0.05 over the counter. Buying Tretinoin (Retin A) 0.1 cream online without a prescription. Tretinoin Gel, USP and Tretinoin Cream, USP are used for the topical treatment of acne vulgaris. Each gram of Tretinoin gel contains Tretinoin in either of two strengths, 0.025% (0.25 mg) or 0.01% (0.1 mg) in a gel vehicle of hydroxypropyl cellulose, butylated hydroxytoluene, and alcohol (denatured with tert-butyl alcohol and brucine sulfate. Tretinoin (Retin-A, Atralin, Avita) is a moderately priced drug used to treat acne and other skin conditions when applied topically. The oral form can treat a specific type of leukemia.