COSRX The Niacinamide 15 Serum 20ml × 2

COSRX The Niacinamide 15 Serum Duo (20 ml × 2)

Brand COSRX

Category Serums & Treatments

Capacity or weight 2 × 20 ml (0.67 fl oz each)

Product main specifications For oily, combination, acne-prone, and uneven-toned skin — targets pores, excess oil, redness, and discoloration with high-strength niacinamide.

POINTS ✅ Contains 15% Niacinamide plus Zinc PCA and Acetyl Glucosamine — clinically shown to reduce sebum, minimize pores, fade dark spots, and smooth skin tone

✅ Lightweight, fast-absorbing texture—non-sticky and ideal for layering under moisturizer or sunscreen

✅ Non-comedogenic and dermatologist-tested; safe for sensitive skin and effective across all acne stages

✅ Real user results include: “shrinks pores to nothing,” “pores almost invisible,” and glowing, refined skin tone within How to use

After cleansing and toning, apply 2–3 drops to the face morning and/or evening.

Gently pat until fully absorbed.

Follow with moisturizer and always use SPF in daytime.

Expiration date 36 months from manufacture before opening; use within 12 months after opening (PAO 12M)

Ingredients Water, Pentylene Glycol, Niacinamide (15%), Butylene Glycol, Acetyl Glucosamine, 1,2‑Hexanediol, Zinc PCA, Trehalose, Xanthan Gum, Pullulan, Allantoin, Ethylhexylglycerin, Sodium Phytate, Citric Acid, Tocopherol

Country of manufacture South Korea