Retinol Rejuvenation SerumRetinol Rejuvenation Serum delivers the maximum concentration of 5% retinol in a serum to influence collagen and speed skin renewal to diminish the appearance of fine lines, acne, wrinkles, and hyperpigmentation. I have tried retinols before and they dry my skin out and cause sensitivity and redness. I am afraid the 5% will be too much. This unique formula is micro encapsulated, allowing it to penetrate quickly and allows for the slower release of the