L’Oréal Paris Revitalift Laser Renew Pure Retinol Night Serum, international patent pending. A powerful solution to visibly reduce the appearance of even deep wrinkles. Our highest concentration of pure Retinol. So effective, 77% of women saw a reduction in the appearance of deep wrinkles*. Contains a naturally sourced trio of caring ingredients for maxiumum efficacy with exceptional comfort. Powerful results validated by a dermatologists.