Fast Release Wrinkle-Reducing 0.3% Retinol Night Serum
All Skin Types
An advanced Retinol night serum that helps accelerate skin surface cell renewal to visibly improve fine lines and deep wrinkles.

How to Use
- 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
- To apply:
- Apply once a day, use at night
- Press down on black button 2-3 times for a pea sized drop
- Gently apply over clean, dry skin
- Complete your night time skincare routine with our anti-aging cream for optimal youth-boosting benefits. In the morning, use our dark spot corrector and facial sunscreen with SPF 50 for brighter skin clarity.
Apply once a day.
Use at night.

What It Is
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
- 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
* 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

Key Ingredients

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.
Before and After

Why We Love It

Expert Advice

Kiehl’s Global Scientific Director Dr. Nancy Ilaya PhD
Frequently Asked Questions
Answers to Your Frequently Asked Questions