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

🇰🇷 Ships directly from South Korea — Please allow 10–15 business days for delivery. International shipments may experience delays at customs. You will receive a tracking number once your order has been dispatched.


🚚 Shipping: This item ships directly from our partner in South Korea. Estimated delivery: 6–11 business days (1–3 days processing + 5–8 days transit). Shipping rates are weight-based and calculated at checkout.

⚠️ 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.

🚚 Ships from the USA · Estimated delivery: 3–7 business days.

COSRX The Niacinamide 15 Serum 20ml

Regular price $30.00
Unit price
per 

Shop with Complete Confidence! 🖤

Shipping calculated at checkout.
100% Secure payments

Your details are protected and safe with us.

American Express
Apple Pay
Bancontact
BLIK
Diners Club
Discover
EPS
Google Pay
iDEAL Wero
JCB
Maestro
Mastercard
Multibanco
MobilePay
PayPal
Przelewy24
Shop Pay
Twint
Union Pay
Venmo
Visa

Your order ships carbon neutral

BIGGER MARKDOWNS — We've refreshed our sale with up to 50% off select styles. Sale

Hassel-Free Returns & Exchanges

Need help? Contact us

24/7 Dedicated Concierge Support via 1 (855) 655-6689

Secure Payment

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

🇰🇷 Ships directly from South Korea — Please allow 10–15 business days for delivery. International shipments may experience delays at customs. You will receive a tracking number once your order has been dispatched.


🚚 Shipping: This item ships directly from our partner in South Korea. Estimated delivery: 6–11 business days (1–3 days processing + 5–8 days transit). Shipping rates are weight-based and calculated at checkout.

⚠️ 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.

🚚 Ships from the USA · Estimated delivery: 3–7 business days.

Our Story

Born in Southern California. Delivered by our trusted USA-based brand partners. Every piece is handpicked for the woman who moves through the world with intention and grace. Ask me anything — I am always here to help. 🖤