97% had visibly reduced lines in just 1 week. Deeply hydrate skin for 48 hours and visibly reduce lines and wrinkles in 1 week with this fast-absorbing moisturizer made with pure RoC® Retinol + Hyaluronic Acid. With this clinically proven formula, 100% of testers saw supple, softer skin and a noticeably younger-looking complexion. Pure RoC® Retinol is clinically proven to show continued improvement over time. The longer you use it - the better it works.