Fast Release Wrinkle-Reducing 0.3% Retinol Night Serum Bought for $90 + tax and shipping from Kiehl’s. New never opened and still in box. This fast-acting 0.3% Retinol night serum accelerates skin surface cell renewal with Retinol that penetrates up to 15 surface layers deep into the skin*. Experience visible reduction of fine lines in just 5 days**, and visible improvement in deep wrinkles in 2 weeks***. With continuous use, this night serum with Retinol helps skin look renewed for a visibly smoother, more youthful appearance. Retinol penetrates up to 15 surface layers deep Accelerated skin surface cell renewal in just 5 days Visible reduction of fine lines in 5 days Visible reduction of wrinkles, including deep wrinkles in 2 weeks Innovative packaging that separates a high concentration of pure Retinol powder to freshly mix for application 100% showed reduction in wrinkles #kiehls #retinol #skincare #skin