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Our 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
Clean Formula (Fragrance and colorant free)
Halal / Vegan Formula
NIACINAMIDE
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.
Apply 4–5 drops to clean, dry skin in the morning and evening
A shine-reducing, cooling gel moisturizer for oily skin and normal skin types.
Old price$ 52.00New price$ 39.00
Did You Know
Did You Know?
Minimally formulated with only 10 ingredients, our concentrated 5% Niacinamide serum has a fast-absorbing texture allows actives to be rapidly delivered into the skin to visibly reduce excess oil and imperfections and provide targeted efficacy for your top skin concerns.
Product Comparison Table
Find Your Formula
Ultra Pure High-Potency Serum 5.0% Niacinamide
Ultra Pure High-Potency Serum 9.8% Glycolic Acid
Ultra Pure High-Potency Serum 1.5% Hyaluronic Acid
One size only for Ultra Pure High-Potency Serum 5.0% Niacinamide
30 ml
Size
One size only for Ultra Pure High-Potency Serum 9.8% Glycolic Acid
30 ml
Size
One size only for Ultra Pure High-Potency Serum 1.5% Hyaluronic Acid
30 ml
Price
Old price$ 42.00New price$ 31.50
Price
Old price$ 42.00New price$ 31.50
Price
Old price$ 42.00New price$ 31.50
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Recycle & Be Rewarded
Bring in your empty Kiehl's products in-store and recycle them through our Recycle and Be Rewarded program. Each full-size product earns you points towards complimentary Kiehl's rewards!
Niacinamide is a well-researched form of Vitamin B3, commonly used in skincare products. It is a low molecular weight, water-soluble vitamin essential for cellular energy, repair, and overall skin health.
Niacinamide serums deliver concentrated benefits to the skin. When applied in serum form, Niacinamide (Vitamin B3) offers a lightweight and effective way to improve skin health by targeting specific concerns with potent results.
Niacinamide offers a wide range of skincare benefits. Research shows it can act as an antioxidant, improve the skin barrier, reduce hyperpigmentation, fine lines, and wrinkles, decrease redness and blotchiness, minimize sallowness, and enhance skin elasticity.
Yes, Niacinamide serums can be used daily. Our Ultra Pure High-Potency 5.0% Niacinamide Serum is suitable for everyday use, though it’s best to introduce it gradually when combining with other active ingredients to prevent skin sensitization.
Yes, Niacinamide is beneficial for acne-prone skin. It helps regulate sebum production, reduces inflammation, and calms irritation and redness. Niacinamide can also target post-acne marks, improving skin tone by addressing red and brown spots left by breakouts.