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
