Kiehl's Since 1851

Retinol Fast Release Wrinkle-Reducing Night Serum, 0.94 oz.

Retinol penetrates up to 15 surface layers deep immediately Visible reduction in fine lines in just 5 days 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 Paraben free Mineraloil free Fragrance free Dye free Silicone free Bottle made with 100% recycled material Clinical Results*: 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 *Results are based on expert grading in a 10week clinical study with 60 panelists: How to Activate: Flip the bottle upside down, remove the bottom cap and set aside Open pouch, twist the retinol capsule onto the bottom of the bottle Push the button down on the capsule to release pure retinol powder Shake vigorously to fully mix into the serum Remove and discard capsule, replace with original bottom cap How to Apply: Press down on black button 23 times for a pea sized drop Gently apply over clean, dry skin Apply once a day at night