Generic Retin A medication is available in the form of Gel, Cream and Liquid used to treat acne. The Generic name of this mediation is Tretinoin. Generic Retin A may reduce the severity and the count of acne pimples and promote quick healing that does develop. There are different topical prescription products for treating cystic acne and the most popularly prescribed drug is derived from vitamin A called retin-A. These retinoidscan make skin cells grow and function more effectively. Retinoidscan treat psoriasis, acne, skin aging and some cancers. Generic Retin A is the strongest and most effective among topical retinoids used to treat acne and skin aging.