Retinoic acid peel is derived from vitamin a and it is needed by the skin cells for growth and development. Retin - A and Tretinoin are two different forms of retinoic acid peel. Retinoic acid peel are great for treating acne, hyperpigmentation and they are also used to rejuvenate aging and wrinkled skin. Retinoic acid peel result Uses of retinoic acid peel They help to treat hyper pigmentation. They help to treat acne. the help to treat saggy and wrinkled skin. They are used to to rejuvenate the skin. Side Effects of retinoic acid peel They make the skin more sensitive to the sun. They cause excessive peeling. They can cause irritation. They can cause redness and irritation.