All the power of Retinolno irritation. Yes, you read that correctly. Powered by a 2.5% blend of Retinol and Granactive Retinoid suspended in eight soothing natural oils, the Black Diamond Retinol Oil delivers all the age-defying benefits of Vitamin Aclinically proven to reduce visibility of fine lines and wrinkles in just four weeks**. And it does so without aggravating your skin. The precision blend of actives helps encourage cell turnover which in turn reduces the appearance of wrinkles and leaves your skin looking younger and smoother. Award winner: ASKMen's Best Retinol Serum - Grooming Awards 2024