"My Secret Time Machine" AM/PM Cruelty-Free Paraben-Free Women Owned & Operated A powerful form of Vitamin A that helps boost cell turnover, revealing a more vibrant complexion...quicker. Cosmedica Skincare Advanced 2.5% Retinol Serum offers the ultimate targeted correction of discoloration, fine lines and wrinkles. Maximum strength Retinol combines with Hyaluronic Acid to promote youth-retaining collagen and balanced hydration.