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Kiehl's Since 1851 Ultra Pure High-Potency 5.0% Niacinamide Serum #1
Kiehl's Since 1851 Ultra Pure High-Potency 5.0% Niacinamide Serum #1

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Kiehl's Since 1851Ultra Pure High-Potency 5.0% Niacinamide Serum

Item 2607983

4.6 out of 5 stars. 662 reviewsAsk A Question
$35.00
Size:1.0 oz
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Summary

The Kiehl's Since 1851 Ultra Pure High-Potency 5.0% Niacinamide Serum is a concentrated facial serum formulated with just 10 ingredients to help visibly reduce oil and minimize the look of redness.

Benefits

  • Free of fragrance and colorants, this concentrated serum is minimally formulated for skin absorption and efficacy

Key Ingredients

  • Niacinamide: form of vitamin B3 known to help visibly brighten skin; when used in topical skincare formulas, it can also help balance skin's surface oil

Research Results

  • After 1 Week, 92% Agree Skin Feels Soothed* Instantly Reduces Excess Oil by 58%** Reduced Blemishes in 1 Week***
  • *Reported by consumers in a 4-week study **Instrumental measurement in a 4-week clinical study ***Expert grading in a 4-week clinical study

In the morning and evening, apply 2-3 drops to clean, dry skin.

Try out Kiehl's Niacinamide Serum skin hacks: Zone treat your face by applying Niacinamide Serum to areas prone to oiliness and breakouts. Follow with your favorite moisturizer where needed. Layer with Kiehl's Hyaluronic Acid Serum to hydrate & rebalance skin's moisture. Layer with Kiehl's Glycolic Acid Serum to gently exfoliate & improve texture.

Aqua/Water, Niacinamide, Glycerin, Propanediol, Methyl Gluceth-20, Hydroxyacetophenone, Sodium Hyaluronate, Caprylyl Glycol, Carbomer, Sodium Hydroxide.

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