Ultra Pure High-Potency 5% Niacinamide Serum
All Skin Types, including Sensitive Skin
A concentrated 5% niacinamide serum for oily skin that visibly reduces excess oil and imperfections. Formulated with only ten ingredients, this ultra pure serum uses a minimal formula for maximum absorption and efficacy. Achieve balanced and healthy-looking skin with this face serum for oily skin.
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What It Is
The Kiehl's niacinamide serum will help visibly reduce excess oil and shine for balanced and healthy-looking skin. This niacinamide face serum is minimally formulated with only ten ingredients to help minimise the appearance of imperfections and excess oil. Concentrated with 5% niacinamide, our potent serum for oily skin will help to minimise shine and nourish the skin.
What It’s Good For
- Helps to visibly minimise excess oil, shine and redness
- Minimally formulated for skin absorption and efficacy
- Reduces the appearance of imperfections in just two weeks
- Suitable serum for oily skin
- Can be used for all skin types including sesnitive
- Free of fragrance and colorants
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.
How to Use

Before and After Kiehl's Niacinamide Serum

-58% Excess Oil Instantly*
Reduced Imperfections in 1 Week**
*Instrumental measurement in a 4-week clinical study.
**Expert grading at week 2 in a 4-week clinical study.
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Did You Know?

Frequently Asked Questions
Answers to Your Frequently Asked Questions
What are the skin benefits of niacinamide serums?
What skin type is the Ultra Pure High-Potency 5% Niacinamide suitable for?
When should you apply niacinamide serum?
Can you use niacinamide serum with retinol?
Can you use a niacinamide face serum with hyaluronic acid?
Find Your Formula
| Ultra Pure High-Potency 5% Niacinamide Serum | Ultra Pure High-Potency 9.8% Glycolic Acid Serum | Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum |
|---|---|---|
| Skin Type All Types Sensitive | Skin Type All Types | Skin Type Very Dry Dry |
| Skin Concern Uneven Skin Tone Tone & Texture Dull Skin | Skin Concern Uneven Skin Tone Dull Skin | Skin Concern Dryness |
| Size One size only for Ultra Pure High-Potency 5% Niacinamide Serum 30 ml | Size One size only for Ultra Pure High-Potency 9.8% Glycolic Acid Serum 30 ml | Size One size only for Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum 30 ml |
| Price Old price New price NZ$ 65.00 | Price Old price New price NZ$ 65.00 | Price Old price New price NZ$ 65.00 |
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