WHAT IT IS

A powerful retinol night serum that helps accelerate skin surface cell renewal to visibly improve fine lines, wrinkles, and deep wrinkles. 0.94 oz. Made in USA.

WHAT IT DOES

This 0.3% retinol night serum visibly reduces fine lines in 5 days and improves deep wrinkles in 2 weeks for a visibly smoother and more youthful appearance*. Its innovative packaging isolates a high concentration of pure Retinol powder that is mixed with a lightweight serum to maintain maximum efficacy.

HOW TO USE IT

Flip the bottle upside down, remove the bottom cap and set it aside. Open the pouch, and 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 the serum. Remove and discard capsule, replace with original bottom cap. Press down on the black button 2-3 times for a pea-sized drop. Gently apply over clean, dry skin. Apply once a day at night.

ACTIVE INGREDIENTS

Pure Retinol 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 that’s visibly renewed and youthful-looking.

RESEARCH RESULTS

Results are based on expert grading in a 10-week clinical study with 60 panelists*: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*.

WHAT IT ISA powerful retinol night serum that helps accelerate skin surface cell renewal to visibly improve fine lines, wrinkles, and deep wrinkles. 0.94 oz. Made in USA.WHAT IT DOESThis 0.3% retinol night serum visibly reduces fine lines in 5 days and improves deep wrinkles in 2 weeks for a visibly smoother and more youthful appearance*. Its innovative packaging isolates a high concentration of pure Retinol powder that is mixed with a lightweight serum to maintain maximum efficacy.HOW TO USE ITFlip the bottle upside down, remove the bottom cap and set it aside. Open the pouch, and 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 the serum. Remove and discard capsule, replace with original bottom cap. Press down on the black button 2-3 times for a pea-sized drop. Gently apply over clean, dry skin. Apply once a day at night.ACTIVE INGREDIENTSPure Retinol 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 that’s visibly renewed and youthful-looking.RESEARCH RESULTSResults are based on expert grading in a 10-week clinical study with 60 panelists*: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*.