Olay Regenerist Regenerating Serum's fast penetrating fragrance-free formula is a silky, ultra-lightweight gel serum that regenerates surface cells while restoring skin's elasticity with plumping hydration. Infused with Olay's Amino-Peptide Complex II, this formula is designed to deliver moisturizing ingredients 10 layers deep into the skin surface. After just 4 weeks, skin's appearance is firmer. The appearance of fine lines and wrinkles are also improved. Non-greasy and fast-absorbing, it's the perfect addition to your everyday beauty routine for hydration to achieve firmer, younger-looking skin. We guarantee you'll love your OLAY product! If you are not satisfied, we'll give you your money back via a prepaid card. Must submit within 60 days of purchase. Call toll-free 1-855-845-9797 or visit olay.com/guarantee.