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

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Fast Release Wrinkle-Reducing 0.3% Retinol Night Serum - Kiehl's Retinol Fast Release Wrinkle-Reducing Night Serum formulated with 0.3% pure retinol helps accelerate skin surface cell renewal to visibly improve fine lines in 5 days* and deep wrinkles in 2 weeks**. Benefits Kiehl'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 looking Retinol penetrates up to 15 surface layers deep* immediately Visible reduction in fine lines in just 5 days** with use of this anti aging retinol night serum Visible reduction in deep wrinkles in 2 weeks*** revealing smoother skin Innovative packaging that isolates a high concentration of pure retinol powder so it can be freshly mixed into the serum upon first use for maximum efficacy Bottle made with 100% recycled material Formulated Without Paraben free Mineral-oil free Fragrance free Dye free Silicone free Clinical Results Results are based on expert grading in a 10-week clinical study: Visibly smooths skin immediately by penetrating up to 15 surface layers deep* Visibly reduces fine lines and wrinkles in 5 days** Visibly reduces deep wrinkles in 2 weeks*** 100% showed reduction in wrinkles * Based on an in vivo penetration test for retinol penetration ** Based on expert grading in a 10-week clinical study of 71 panelists *** Based on expert grading in a 10-week clinical study of 27 panelists - Fast Release Wrinkle-Reducing 0.3% Retinol Night Serum