Roc is an anti-wrinkle lotion that has been on the market for years and is proven to reduce the look of fine lines and wrinkles esp. around the eyes and the appearance of crows feet that comes with age and in-direct or direct sunlight. It also targets deep wrinkles and promotes cellular growth. Roc is a lightweight lotion that can should be applied once or twice a day morning or night, alone or under make-up.There may be some tingling after application, this is normal and means Roc is working. This will subside as treatment with Roc is continued. Good product and can expect to see results within 8 to 12 weeks with continued use.