Kiehl's Since 1851 Retinol Fast Release Wrinkle-Reducing Night Serum 0.94oz
An advanced Retinol night serum that helps accelerate skin surface cell renewal to visibly improve fine lines and deep wrinkles.
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***. To ensure maximum efficacy, its innovative packaging isolates a high concentration of pure Retinol powder so it can be freshly mixed into the serum upon first use. With continuous use, this night serum with Retinol helps skin look renewed for a visibly smoother, more youthful appearance.
What It's Good For
* 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
Our 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.
Why We Love It
Our unique powder-to-serum technology is designed for you to personally mix Pure Retinol powder with a lightweight serum base to create a fresh, highly concentrated formula. By activating it upon first use, this Retinol night serum is optimized for faster efficacy and absorption into the skin.
|Kiehl's Since 1851