Give your skin the weapons it needs to fight the effects of aging. Cosmedica Skincare’s 2.5% Retinol Facial Serum uses a formula of retinol and hyaluronic acid that’s backed by science to promote collagen production for a tighter, brighter, more youthful complexion. With Vitamin E added to hydrate and even out skin tone, this anti-aging face serum is your first-line of defense against fine lines and discoloration.