✨ COSRX The Niacinamide 15 Serum – Pore & Blemish Care ✨. Help improve the appearance of pores, uneven skin texture, excess oil, and blemishes with the powerful COSRX The Niacinamide 15 Serum. Formulated with 15% Niacinamide, this concentrated Korean skincare serum is designed to support clearer, smoother, and healthier-looking skin.
eBay