Soothing anti-redness serum: Refines the appearance of pores, smooths skin and eases redness. Niacinamide and zinc PCA instantly improve texture and radiance by reducing excess oil and minimizing the appearance of pores.

Key benefits: In consumer self-assessments, users of The Niacinamide 15 Serum reported smaller-looking pores, smoother skin texture and a reduction in the appearance of dark spots.

The 15% niacinamide helps reduce the appearance of enlarged pores and even out skin tone. Zinc PCA helps prevent breakouts.

How to use: Shake 1 to 2 times before use. Apply 2 to 3 drops once or twice a day. For daytime use, follow with SPF 30+ sunscreen. You can apply it under the eyes, avoiding direct contact with the eyes.

COSRX products use skin-friendly ingredients that soothe irritated skin. They are hypoallergenic, dermatologist-tested, cruelty-free and formulated without parabens, sulfates or phthalates.