All the power of Retinol - no 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 A - clinically proven to reduce visibility of fine lines and wrinkles in just four weeks*. It does so without aggravating your skin - 88% agreed there was no irritation**. 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. In addition to its superior resurfacing ability, the Black Diamond Retinol Oil has been clinically proven to improve brightness by 30%***, inhibiting tyrosinase activity to help reduce the appearance of age spots and promote radiance. u2028u2028Suitable for even the most sensitive skin, this targeted formula can be easily incorporated into your routine. *Based on the results of a clinical trial of 30 participant