Shipping note: Ships from South Korea. Estimated US delivery: 10–15 business days. International duties and import fees may apply. See our Shipping & Fulfillment Policy for details.

Description

COSRX The Niacinamide 15 Serum is a concentrated facial serum formulated with 15% niacinamide, N-acetylglucosamine, zinc PCA, and allantoin. It helps care for excess oil, visible pores, uneven tone, rough texture, and blemish-prone skin while supporting a smoother, clearer-looking complexion.

How to Use

After cleansing and toning, apply a few drops to problem areas or the entire face. Gently pat to help absorption, then follow with moisturizer. Use sunscreen during the daytime. Patch testing is recommended before facial use.

Benefits

Helps control excess oil and shine, refine the appearance of pores, improve the look of post-acne marks and uneven tone, smooth rough texture, and soothe blemish-prone skin. The formula is non-comedogenic tested.

Key Ingredients

15% Niacinamide, Acetyl Glucosamine, Zinc PCA, Allantoin

Full 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

⚠️ Important: International duties, customs fees, and import taxes are the customer's responsibility and are not included in the product price or shipping cost. Refusing a package at customs or failing to pay import fees may result in a partial refund after deduction of shipping and customs costs. Please ensure your delivery address is complete and accurate in English.