Retin-A is used to treat a chronic skin condition called acne. A patient suffering from acne may have blackheads, whiteheads, pimples, greasy skin, and scars in the skin. Retin-A contains Retin-Aoic acid and vitamin A which works by affecting the growth of skin cells. Many cases of acne are thought to be a result of genetic complications. Acne may also be as a result of an increase in androgens production when a patient is in puberty.