Face night serum with 0.3% Pure Retinol to visibly reduces deep wrinkles smoothes skin's texture. Night serum with Retinol, Vitamin A, a top dermatologist recommended anti-aging ingredient proven to fight key signs of aging such as wrinkles and uneven skin texture. Pure retinol—the most powerful form of retinol—is known to degrade, becoming less e ective over time. This face serum remains potent and effective for visible results from the first drop to the last.