COSRX The Niacinamide 15 Serum – 20ml

COSRX The Niacinamide 15 Serum – 20ml

Take your acne routine up a level with COSRX The Niacinamide 15 Serum (20ml)—a highly concentrated treatment made for total acne care. It combines the maximum concentration of niacinamide (15%) with synergistic supporting ingredients to help keep skin looking clearer, smoother, and more balanced.

This formula includes Zinc PCA and Acetyl Glucosamine alongside niacinamide, and it’s non-comedogenic tested (doesn’t clog pores), making it a solid pick for oily, acne-prone, and congested skin types.

Key Benefits

• Total acne care with 15% niacinamide

• Non-comedogenic tested (won’t clog pores)

• Includes supportive ingredients like Zinc PCA and Acetyl Glucosamine

How to Use

After cleansing (serum step), apply a few drops and gently massage to absorb. It can be used morning and/or afternoon—if used in the morning, follow with a sunscreen (SPF 30+).