Retin-A (Tretinoin) Gel 0.01% works by boosting cell turnover to help even out the discoloration caused by sun exposure. Containing a concentrated dose of Vitamin A, it helps to encourage the skin to generate new cells and rid itself of the pigmentation leaving a healthier, younger-looking complexion. By stimulating the normal process of regeneration in the skin cells, Retin-A aids in helping rolled and pitted acne scars, wrinkles, dark spots, and sun spots. In addition, Retin-A works as an anti-inflammatory, helping to reduce the effect of inflammatory skin conditions. Used over time, Retin-A Gel 0.01% can provide dramatic improvement of common skin discolorations, assisting in evening out skin tone and visibly improving the youthful and healthy texture of the skin..

Retin-A (Trerinon) Cream is a retinoid medication that's used to treat acne. It's available as creams, gels, and lotions that are applied onto the skin. Some side effects of tretinoin are skin irritation, redness, and peeling. Your acne also might get worse (flare up) during the first few weeks of treatment, but it should improve with continued use. Tretinoin is only available by prescription; it isn't found over the counter.