Kiehl's Ultra Pure High-Potency Serum 5.0% Niacinamide (30ml)

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A concentrated 5% Niacinamide serum for oily skin made with only 10 ingredients that visibly reduces excess oil and imperfections.

Shine-reducing Niacinamide facial serum is minimally formulated with only ten ingredients to help reduce the appearance of imperfections and excess oil. Concentrated with 5% Niacinamide, our potent formula helps to visibly minimize shine and soothe skin.

  • Formulated to help visibly minimize shine and soothe skin
  • Minimally formulated for skin absorption and efficacy
  • Reduces the appearance of imperfections in just two weeks
  • Visibly reduces redness
  • Suitable for all skin types, including sensitive
  • Free of fragrance and colorants
How to Use
  1. Apply 4–5 drops to clean, dry skin in the evening
  2. Layer with other serums as needed
  3. Explore our other concentrated facial serums like our 1.5% Hyaluronic Acid serum and 5% Niacinamide serum.

Key Ingredients


Niacinamide, the form of Vitamin B3 used within our formulas, is known to help visibly brighten skin. When used in topical skincare formulas, Niacinamide can also help balance skin’s surface oil.

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