VISIBLY REDUCE WRINKLES, EVEN DEEP WRINKLES. Revitalift Derm Intensives Night Serum with 0.3% Pure Retinol is our most potent and has our highest concentration of Pure Retinol. This serum is free of fragrance, silicone and parabens and was validated by an external panel of dermatologists*. WHAT IS PURE RETINOL? Pure Retinol is a top dermatologist recommended anti-aging ingredient proven to fight key signs of aging such as wrinkles, even deep ones. With many retinols available in skincare, those that don't say PURE could be less potent. WHY CHOOSE PURE RETINOL? Pure retinolconsidered to be the most potent form of retinolis known to be more effective than retinol derivatives, but it degrades over time. This patent-pending night serum was specially formulated to remain very stable. What does this mean? It is potent and effective from the first drop to the last - giving you powerful anti-aging results with continued use.