Jan Marini Factor-A Face Lotion -- 1 oz.Factor-A Lotion utilizes a form of Vitamin A called all-trans-retinol, which dramatically improves skin health and the appearance of aging and photo-damaged skin. All-trans-retinol is also a potent tool in treating acne and maintaining clear skin. Factor-A Lotion is also compatible with glycolic acid products, further enhancing the overall benefits.Dramatically improves the appearance of photodamaged and aging skinSkin appears firmer and more elasticAddresses the appearance of acne lesions and post-inflammatory hyperpigmentation associated with acne lesionsEspecially Suited For: Combination to oily skinEssential Elements: Jan Marini Factor-A Lotion Face Lotion comes in a 1-ounce bottle.For Best Effect: Week One: Apply at night only twice during the first week, with three full days between each application. Apply Factor-A Lotion sparingly to entire face, including under eyes. Avoid upper eyelids.Week Two: Apply Factor-A Lotion every other night.Week Three: Apply Factor-A Lotion every night.Week Four: Continue applying every night as directed. If skin is not experiencing any undue redness or irritation, you may begin applying Factor-A Lotion in the morning as well.