Ultra Pure High-Potency 5.0% Niacinamide Serum, 1 oz.

4.6 (568)
$36.00
6-month financing with Macy's Card. *
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Product Details

Web ID: 15795951

A concentrated facial serum formulated with just 10 ingredients (aqua/water, niacinamide, glycerin, propanediol, methyl gluceth-20, hydroxyacetophenone, sodium hyaluronate, caprylyl glycol, carbomer and sodium hydroxide) to help visibly reduce oil and minimize the look of redness.

  • Product Features

    • WHAT IT IS:
    • A serum with 5% niacinamide
    • WHAT IT DOES:
    • Helps visibly reduce excess oil and minimize the look of redness
    • INGREDIENT HIGHLIGHTS:
    • Niacinamide, the form of vitamin B3 used within Kiehl's formulas, helps visibly brighten skin; when used in topical skincare formulas, niacinamide can also help balance skin's surface oil
    • SKIN TYPES:
    • For all skin types, including sensitive skin
    • HOW TO USE:
    • In the morning and evening, apply 2-3 drops to clean, dry skin
    • Skin Hacks:
    • Zone treat your face by applying the serum to areas prone to oiliness and breakouts and following with your favorite moisturizer where needed
    • Layer with the Hyaluronic Acid Serum to hydrate and rebalance skin's moisture
    • Layer with the Glycolic Acid Serum to gently exfoliate and improve texture
    • RESULTS:
    • After 1 week, skin feels soothed*
    • Instantly reduces excess oil by 58%**
    • Reduced blemishes in 1 week***
    • *Based on reports by consumers in a 4-week study
    • **Based on instrumental measurements in a 4-week clinical study
    • ***Based on expert grading in a 4-week clinical study

  • Shipping & Returns

    • This item qualifies for Free Shipping with minimum purchase! exclusions & details
    • This item may not be shipped to Hawaii, Armed Forces Europe, Federated States of Micronesia, Puerto Rico, Armed Forces Pacific, Guam, U.S. Virgin Islands, Northern Mariana, Alaska, Marshall Islands, Armed Forces Americas, American Samoa, Palau and the Philippine Islands.
    • California and Minnesota customers call 1-800-289-6229 for Free Shipping information.
    • For complete details, see our Shipping and Returns policies.
    • Please call customer service for returns.

Ratings & Reviews

4.6/5

568 star ratings, 563 reviews

Write a Review
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13 days ago
from San Francisco

Nice to mix with the Hyaluronic Acid serum

I've been mixing this with Hyaluronic Acid serum and I'm loving the combination and results. I feel tighter, more hydrated a little less red.

Recommends this product

Customer review from kiehls.com

4 months ago
from Philipsburg, NJ

Trusted because it works.

I trust this brand for its true nature and effective products.

Recommends this product

5 months ago
from New York

Byebye blemishes

I LOVE this product. I have super sensitive acne prone combination skin and shockingly this product clears my pimples within a few days without drying or causing eczema patches. It's pricey but it works.

Recommends this product

Customer review from kiehls.com

6 months ago
from Kansas

Great product

I can always tell a difference in my skin if I run out of this. Helps with oil control a lot.

Recommends this product

Customer review from kiehls.com

6 months ago
Incentivized review

One of the best niacinamide serums around

Great, clean serum that doesn't irritate and just feels great on skin.

Customer review from bloomingdales.com

6 months ago
from New York, NY

A total game change for oily skin

It has been recommended that I try products with niacinamide for oily skin. I tried at least five before coming across this formula by Kiehl's, and all I can say is wow. It has controlled my oil production throughout the day, and after three weeks of use, it has cleared my skin imperfections. With this product, I can have bright, clear, non-oily skin of blemishes. I highly recommend it.

Recommends this product

Customer review from kiehls.com

8 months ago
Incentivized review

Straight to the point

I absolutely love the clean ingredients. A niacinamide serum that’s straight to the point. I apply before tret to help with pigmentation.

Recommends this product

Customer review from kiehls.com

8 months ago
from South Carolina

Miracle serum!

I will swear by this serum! Reduce the redness on my face immediately!

Recommends this product

Customer review from kiehls.com