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Kiehl's Since 1851 Ultra Pure High-Potency 9.8% Glycolic Acid Serum
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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.
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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
Love It
Submitted as part of a free sample program
Reviewed at
I love this Kiehl's glycolic acid serum! It is easy to apply and goes on smooth. It absorbs into my skin instead of sitting on top and making my skin oily. I notice my skin looking brighter and smoother.
Great
Submitted as part of a free sample program
Reviewed at
Amazing for my skin. Didn't have any issues with peeling as expected. My skin is glowing after a few days of use. This is a great product.
I'm a fan!
Submitted as part of a free sample program
Reviewed at
Used this product for about 2 weeks and I noticed my skin looking a lot smoother and more even. I struggle with hyperpigmentation and that makes my skin look very pink, but this product helped bring the pigmentation down and even out my skin tone. I am excited to continue to use this product!
Amazing product
Submitted as part of a free sample program
Reviewed at
My skin is looking fresh and smooth! It has this natural glow from within. I love the ease of use. There is no potent smell and it go well with my skin.
Love
Submitted as part of a free sample program
Reviewed at
I really enjoyed this product. It's helped me even though my skin tone and post inflammatory hyperpigmentation. It's good for people with skin and people who want to eat another skin tone. I like it in this serum vehicle. gives me a chance to put on some lotion after and decrease irritation from the acid