Kiehl's Since 1851 Fast Release Wrinkle-Reducing 0.3% Retinol Night Serum

Fast Release Wrinkle-Reducing 0.3% Retinol Night Serum - BenefitsVisible reduction in deep wrinkles in 2 weeks*** revealing smoother skinKiehl's formula with Pure Retinol helps steadily accelerate skin surface turnover to bring new, fresh skin to the surface to help address visible signs of aging for skin thats visibly renewed and youthful lookingVisible reduction in fine lines in just 5 days** with use of this anti aging retinol night serumRetinol penetrates up to 15 surface layers deep* immediatelyInnovative packaging that isolates a high concentration of pure retinol powder so it can be freshly mixed into the serum upon first use for maximum efficacyBottle made with 100% recycled materialFormulated WithoutParaben freeMineral-oil freeDye freeSilicone freeFragrance freeResearch Results*** Based on expert grading in a 10-week clinical study of 27 panelists* Based on an in vivo penetration test for retinol penetrationVisibly reduces deep wrinkles in 2 weeks***Visibly reduces fine lines and wrinkles in 5 days**** Based on expert grading in a 10-week clinical study of 71 panelists100% showed reduction in wrinklesVisibly smooths skin immediately by penetrating up to 15 surface layers deep*Results are based on expert grading in a 10-week clinical study: - Fast Release Wrinkle-Reducing 0.3% Retinol Night Serum