iS Clinical Active Serum - 1 oz.is a cosmetic serum that helps your skin retain its lost elasticity and fight aging signs, offering visible results in a minimum amount of time. This product is superb for fighting acne as well. This cosmetic product is made out of state of the art, potent, natural ingredients that are known for offering solutions to common signs of aging skin. Touted by dermatologists and cosmetologists as one of the better active serums on the market, this product delivers results in only days. It is excellent for all skin types and for all ages and it is even suitable for sensitive skin. This product is paraban-free.