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Kiehl's Since 1851 Ultra Pure High-Potency 9.8% Glycolic Acid Serum
Summary
Highlights
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.
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Reviews
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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
New addition! Layers well with other products
Verified Reviewer
Reviewed at
Been using this product for a few weeks to properly see how it works on my skin and it's been working so nicely for me. It has a really nice consistency and properly absorbs into my skin and gives it the nicest glow. It's improved my skin texture and tone a lot. I've had a tiny rough skin patch on my forehead for a month and this really helped to smooth it out. It doesn't dry out my skin either like some other products. Super hydrating!!
Wanted to Love This but...
Verified Reviewer
Reviewed at
I really wanted to love this but after the first application I got puffy eyes & really red all around my nose. It is almost like a burn.
Serum
Verified Reviewer
Reviewed at
Brightened my face and underarms! Will order again. Thanks
My skin is so smooth!
Verified Reviewer
Reviewed at
My skin feels much smoother and you only need a little bit every night so the bottle lasts a long time!
Great product!
Verified Reviewer
Reviewed at
I was recommended by one of Kiehl's consultants to add this to my nightly routine and I'm loving it!