The Niacinamide 15 Serum

COSRX Niacinamide 15% Total Acne Care Serum

Highly Concentrated Serum for Acne-Prone Skin

This potent serum combines 15% niacinamide with synergistic active ingredients to provide comprehensive acne control. Designed for oily, combination, and acne-prone skin, it calms breakouts, controls excess sebum, minimizes the appearance of congested pores, and smooths rough, uneven skin—all without clogging pores. Non-comedogenic tested for safe daily use.

Key Benefits
• Total acne care and breakout control
• Regulates sebum and oil production
• Diminishes appearance of congested and enlarged pores
• Exfoliates gently to smooth rough skin
• Calms inflammation and irritation

Targets
• Acne-prone, oily, or combination skin
• Whiteheads and blackheads
• Enlarged, congested pores
• Rough skin caused by dead skin cell buildup

Free From
Parabens, artificial fragrances, artificial dyes, alcohol, mineral oils, essential oils

How to Use
After cleansing, apply a few drops during the serum phase. Gently massage from the center of the face outward until fully absorbed. Can be used morning and/or evening. If used in the morning, follow with SPF 30 or higher.

Size
20 ml / 0.67 fl. oz

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

About the Brand
COSRX is committed to creating skincare that delivers more than outward beauty. Focused on individual skin solutions, the brand helps users gain self-confidence while addressing specific skin concerns. All products are thoughtfully formulated free from parabens, artificial fragrances, dyes, alcohol, mineral oils, and essential oils.