Kiehl'sUltra Pure High-Potency Serum 5.0% Niacinamide

What It Is:
Kiehl's pore-minimizing Niacinamide serum helps reduce the appearance of imperfections and redness, such as blackheads and blemishes. Concentrated with 5% Niacinamide and minimally formulated with only ten ingredients, our effective formula helps to unclog pores, visibly minimize pores and even skin tone.

Who It’s For:
Suitable for all skin types, including sensitive.

What It's Good For:
- Formulated to help visibly minimize pores and even out skin tone
- Reduces the appearance of imperfections in just one week
- Reduces redness within two weeks
- Vegan Formula
- Layerable
- Free of fragrance and colorants

- Apply 4–5 drops to clean, dry skin in the morning and evening
- Layer with other serums as needed
- Explore our other concentrated facial serums like our 1.5% Hyaluronic Acid serum and 9.8% Glycolic Acid serum