Uriage's Isofill Anti-Ageing Serum is a powerful, wrinkle-fighting formula developed with a double concentration of active ingredients for optimal effectiveness. Working to smoothen & correct the appearance of fine lines & wrinkles, the fast-absorbing serum penetrates deep into skin to naturally stimulate collagen & hyaluronic acid production, promoting a younger-looking, more refined complexion. Its bio-active ISO 3-R complex provides multiple anti-ageing benefits, including restoring density, reactivating antioxidant abilities & plumping skin from within. Your complexion is left radiant with an enhanced texture. Hypoallergenic. Non-comedogenic.