Can this be used on sensitive skin?

Based on a Primary Dermal Irritation Study (on 30 subjects for 24 hours) the “COSRX The Niacinamide 15 Serum” is found to be a non-irritant product that causes no irritation for sensitive skin.

How do I know if this product is authentic?

To ensure the authenticity of the product, please make sure you are purchasing the product from COSRX Inc. The authenticity of the product cannot be promised when purchased from sellers other than COSRX Inc.

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Description

✨ Unlock flawless skin with every drop 💧

GENTLE YET EFFECTIVE - Dual skin irritation tests passed for daily sensitive skin use
SYNERGISTIC ZINC PCA BLEND - Maximizes blackhead & whitehead control with precision
DEEP ROOTED TROUBLE SOLUTION - Works from cause to scar for visible, lasting results
POWER PACKED 15 NIACINAMIDE - Highest concentration in class for targeted trouble care
LIGHTWEIGHT NON GREASY FORMULA - Balances oil and moisture for a fresh, matte finish

COSRX Niacinamide 15 Serum delivers a powerful 15% niacinamide concentration combined with Zinc PCA to effectively target excess oil, blackheads, and whiteheads. Dermatologically tested for sensitive skin, this lightweight formula balances moisture and oil without greasiness, providing deep, visible skin clarity and trouble care suitable for daily use.