Meet your skin’s pore-refining powerhouse—the COSRX The Niacinamide 15 Serum (20 ml).
Powered by a high concentration of 15% niacinamide, this targeted treatment is designed to visibly reduce excess sebum, minimize the appearance of pores, and even out skin tone. Lightweight yet potent, this water-based serum penetrates deeply to combat breakouts, fade post-acne marks, and improve rough texture.

Formulated with skin-soothing zinc and brightening arbutin, it works synergistically to calm inflammation while tackling dark spots and dullness. Ideal for oily, acne-prone, or congested skin, it delivers a clarified, more refined complexion without irritation or dryness.

Key Features & Benefits:

• Delivers 15% niacinamide to control oil production and reduce shine

• Diminishes the appearance of enlarged pores and acne scars

• Brightens uneven tone and improves skin texture

• Soothes inflammation and strengthens the skin barrier

• Fast-absorbing, non-sticky, and suitable for daily use

Key Ingredients:

• Niacinamide (15%): A multi-tasking ingredient that regulates sebum, reduces pigmentation, and strengthens the skin barrier

• Zinc PCA: Helps control oil and calm breakouts

• Arbutin: Brightens dark spots and inhibits melanin production

• Allantoin: Soothes irritation and promotes skin healing

• Acetyl Glucosamine: Gently exfoliates and smooths texture

How to Use:
After cleansing and toning, apply 2-3 drops to the face and gently pat until absorbed. Follow with moisturizer. Use once daily, preferably in the evening. Pair with sunscreen during the day.