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PDP Sections Accordion
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.
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
TSA Approved
* 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
Pure Retinol
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.
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
Our efficacious Retinol night serum helps visibly smooth areas prone to lines and wrinkles like the forehead, cheek, and around the mouth. With continuous use, experience accelerated, visibly youth-boosting results*.
*100% Showed Reduction in Wrinkles
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“At Kiehl’s, we are always listening to the needs of our customers, and when it comes to retinol, we know there are those who prioritize speedy results. Whether it’s for an important event or milestone, they’re looking to see a visible result quickly.”
Kiehl’s Global Scientific Director Dr. Nancy Ilaya PhD
PDP Section FAQs WW0206KIE
Frequently Asked Questions
WHAT DOES A RETINOL NIGHT SERUM DO?
Retinol boosts the desquamation cycle, which means that it helps promote the turnover of dead surface skin cells. This process helps to even tone and texture while also helping to address the look of dark spots and hyperpigmentation. Additionally, continued use of retinol helps enhance collagen, supporting a firmer, plumper, more youthful look by reducing the appearance of fine lines and wrinkles.
WHY SHOULD I USE RETINOL AT NIGHT?
Using a retinol night serum can make skin become more sensitive to UV exposure and potential damage. Additionally, the efficacy of certain forms of retinol can be reduced when exposed to UV light. Therefore we recommend using this product at night and our face-body-sunscreen during the day.
SHOULD I USE MOISTURIZER BEFORE OR AFTER A RETINOL NIGHT SERUM?
For standard use, this retinol night serum should be applied prior to your moisturizer. If you find you are particularly prone to skin sensitivity and redness, dryness, or peeling when using this serum, apply it after your moisturizer. This creates a small buffer between your skin and the retinol night serum.
CAN I USE A RETINOL NIGHT SERUM AND EYE CREAM TOGETHER?
Yes, absolutely! However please note that unlike Micro-Dose Anti-Aging Retinol Serum, this product is NOT to be used in the orbital area. The 0.3% Pure Retinol in Fast Release is too powerful for the thin skin around the eye. Therefore, we recommend using only your favorite eye cream at night around the orbital area.
HOW DO I KNOW THAT RETINOL NIGHT SERUM IS WORKING?
You will see signs of turnover of dead surface skin cells. If you are less sensitive to retinol, or have already built up a tolerance, you may notice a more enhanced brightness to the skin. The dead surface skin cells have been sloughed off, allowing plumper, smoother skin to show. You may notice some dryness or redness to the skin in the days following use, which can be known as “skin purging”. If this happens, lower usage of the retinol night serum to every other night and gradually work up to nightly.
HOW OFTEN SHOULD A RETINOL NIGHT SERUM BE USED?
Standard use is nightly; however, some skin may not have this tolerance. If you experience signs of irritation from the product, such as dryness, sensitivity, or peeling, start off with using every other night until a tolerance is built up and then begin using nightly.
WHAT ARE THE BENEFITS OF A RETINOL NIGHT SERUM?
Retinol helps to encourage the look of plumper, brighter, more youthful looking skin with a reduction in the appearance of wrinkles and fine lines. In our retinol night serum, the freshly activated 0.3% pure retinol penetrates up to 15 skin surface layers deep immediately upon application* and reduces fine lines in 5 days** and deep wrinkles in as little as 2 weeks.***
* 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
HOW SHOULD YOU CARE FOR SKIN AFTER USING A RETINOL NIGHT SERUM?
Retinol should be applied to skin after cleansing and toning and prior to moisturizers, night creams, eye creams, and treatment oils. Avoid using additional active ingredients at the same time as retinol to avoid skin sensitization. You should always use a daily SPF such as our facial sunscreen with SPF 50+ to help protect the skin from UV exposure. If dryness, sensitivity, or peeling occurs, use a skin moisture barrier replenishing product like Ultra Facial Overnight Rehydrating Mask either all over or simply as a targeted spot treatment.