Chemical peels are performed on the face, neck or hands. They can be used to: Reduce fine lines under the eyes and around the mouth Treat wrinkles caused by sun damage, aging and hereditary factors Improve the appearance of mild scarring Treat certain types of acne Reduce age spots, freckles and dark patches (melasma) due to pregnancy or taking birth control pills Improve the look and feel of skin that is dull in texture and color