Use the following zoom and pan buttons to control the image that follows them
Tab through the images or use the previous or next buttons to navigate each product image
Kiehl's Since 1851 Ultra Pure High-Potency 9.8% Glycolic Acid Serum
or
Offers
(2)Use previous and next buttons to navigate the slides of the %1 Product Carousel
Earn points on this purchase.
Highlights
Summary
The Kiehl's Since 1851 Ultra Pure High-Potency 9.8% Glycolic Acid Serum is a concentrated facial serum formulated with just seven ingredients to help step up your smooth by visibly refining skin's texture and minimizing the appearance of pores.
Benefits
- Free of fragrance and colorants, this concentrated serum is minimally formulated for skin absorption and smoothing effect
Key Ingredients
- Glycolic Acid: a naturally occurring fruit acid derived from sugar cane known to help smooth skin
Research Results
- After 1 Week, 98% Agree Skin Feels Softer* Instantly, 83% Felt Refined Texture* Smoother Skin in 1 Week**
- *Reported by consumers in a 4-week study **Expert grading in a 4-week clinical study
Item 2607984
In the evening, apply 2 - 3 drops to clean, dry skin.
Try out Kiehl's Glycolic Acid serum skin hacks: Zone treat your face by applying Glycolic Acid Serum to areas prone to roughness. Follow with your favorite moisturizer where needed. Use as an exfoliating treatment for cracked heels. Layer with Kiehl's Hyaluronic Acid Serum to hydrate & rebalance skin's moisture. Layer with Kiehl's Niacinamide Serum to to reduce oil & sooth skin.
Aqua/Water, Glycolic Acid, Glycerin, Alcohol Denat., Sodium Hydroxide, Sodium Hyaluronate, Hydroxyethylcellulose.
This brand is excluded from most Ulta Beauty coupons.
Similar items for you
12 items
Use previous and next buttons to navigate the slides of the Similar items for you Product Carousel
The Ordinary
Hyaluronic Acid 2% + B5 Hydrating Serum with Ceramides
ANUA
Azelaic Acid 10 Hyaluron Redness Soothing Serum
Estée Lauder
Advanced Night Repair Multi-Recovery Complex Serum with Hyaluronic Acid & Peptides
We think you'll like
12 items
Use previous and next buttons to navigate the slides of the We think you'll like Product Carousel
bareMinerals
COMPLEXION RESCUE Tinted Moisturizer with Hyaluronic Acid and Mineral SPF 30
The Ordinary
Glycolic Acid 7% Exfoliating and Brightening Daily Toner
IT Cosmetics
Do It All Hydrating Sheer Tinted Moisturizer Balm
Sponsored products
12 items
Use previous and next buttons to navigate the slides of the Sponsored products Product Carousel
First Aid Beauty
Facial Radiance Pads with Glycolic + Lactic Acids
Perricone MD
Vitamin C Ester 20% Dark Spot Corrective Serum
Perricone MD
High Potency Hyaluronic Intensive Hydrating Serum
Reviews
Review Snapshot
by PowerReviews
Ratings Distribution
Most Helpful Positive Review
Not for sensitive skin ...
Upon receiving this complimentary product, I was super excited to finally get a chance to try a Kiehl's brand product. The Kiehl's Ultra-Pure High Potency Serum 9.8% Glycolic Acid arrived in a semi-sturdy red and white branded package with black lettering. The serum is enclosed in a small glass bott...
Most Helpful Critical Review
Good ingredients but didn't work well for me personally
This is the second Kiehl's product I've tried and wanted to love but just didn't have success with. The ingredients are simple, the packaging is understated and clean, and the serum is clear and watery, so in theory I should have been able to layer it under my moisturizer. For me, the product was ve...
400 results
Clear and hydrated skin
Submitted as part of a free sample program
Reviewed at
Wow again Kiehl's! Sometimes glycolic acid can be too harsh in my skin, but this serum here never irritated my skin. I use it every two days at night and every time my skin looks better and better. Don't be afraid of 9.8% , just start using it once a week and then see how your skin feels. Thank you Kiehl's:)
Can Already See My Scarring Get Better!
Submitted as part of a free sample program
Reviewed at
I love this product! I'm not new to texture smoothing acids, I also use an AHA + BHA peel. I'm so glad this product layers with my other skincare so nicely. Like I already said in the headline, I noticed a change in the texture of my skin almost immediately. Not only does it look smoother, but it also feels so much smoother too. I usually have a pretty oily face in the morning when I wake up, but with this product I've noticed my skin is overall less oily.
Finally found the one
Submitted as part of a free sample program
Reviewed at
I have been searching for a glycolic acid serum for my sensitive skin for a while and i'm glad I finally found my holy grail. No reaction or redness and no stickyness. I use it twice a week to be on the safe side. My skin is sensitive and the previous serums i've used have caused redness in my skin. But this khiels serum has been perfect for me. The difference in my skin is visible in just two weeks. Also loving that its vegan. Definitely recommend it.
Glowing
Submitted as part of a free sample program
Reviewed at
My skin is glowing. It has been so full and red, and adding this glycolic acid to my skincare routine has not only restored my glow, but some confidence as well!
Good, but Can Dry Out the Skon
Submitted as part of a free sample program
Reviewed at
Seems nice, but I'll have to keep testing it. I received this complimentary in exchange for a review, but they only give you about two weeks to actually use the product and with skincare it takes longer to notice a difference. I do notice that my skin looks clearer when I use this, but I also find it can look dry if I use this more than 2-3x per week. I would recommend it, but not for everyday use. I'll have to keep testing!