COSRX the Niacinamide 15 Serum, 1.01 Fl Oz, 2-Pack

About the Brand – COSRX

Founded in December 2013, COSRX is a leading global skincare brand known for delivering effective solutions for a wide range of skin concerns. Built on a commitment to high-quality formulations and results-driven ingredients, COSRX has grown beyond K-beauty to become a globally recognized name in skincare. With more than 80% of its sales coming from international markets, COSRX continues to set the standard for innovative, accessible skincare worldwide.

Product Description

This high-performance serum is formulated with 15% Niacinamide to help regulate excess sebum, minimize the appearance of pores, and soothe visible redness. Designed for oily and acne-prone skin, the lightweight formula supports clearer, smoother, and more balanced-looking skin.

Benefits

• Helps control excess oil and sebum

• Improves the appearance of pores and acne-prone skin

• Reduces the look of pigmentation and uneven tone

Key Ingredients

• Niacinamide – Helps regulate sebum, refine pores, and brighten skin

• N-Acetylglucosamine (NAG) – Supports skin tone improvement and barrier care

• Zinc PCA – Helps balance oil production and calm skin

• Allantoin – Soothes and protects sensitive or irritated skin

How to Use

Apply an appropriate amount evenly to the face and neck.
For daytime use, follow with sunscreen.

Caution

• For external use only

• Avoid contact with eyes

• Discontinue use and consult a physician if irritation occurs

• Keep out of reach of children

• A patch test is recommended before applying to the face

Ingredients

Aqua/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