COSRX The Niacinamide 15 Serum is a lightweight yet powerful facial serum formulated with 15% Niacinamide to help refine the appearance of pores, balance excess oil, and improve overall skin tone. The fast-absorbing formula supports smoother, clearer-looking skin without heaviness.
Designed to enhance skin texture and clarity, this serum helps strengthen the skin barrier while leaving the complexion looking fresh and balanced. Suitable for all skin types, especially oily, combination, and blemish-prone skin, it is an effective addition to a daily Korean skincare routine.
We typically process and ship orders within 1 week, with shipping costs calculated at checkout based on your location and selected method. Free shipping is available for orders over $50, depending on the promotion. Once your order ships, you will receive a confirmation email with a tracking number to monitor your package’s status. Standard shipping usually takes 5-7 business days, while express options are available for faster delivery. If you need to change your shipping address after placing an order, please contact us as soon as possible. In case of lost or stolen packages, we recommend reaching out to the carrier first, but our support team is happy to assist. For returns, we accept items within 1 week, provided they are unused and in their original packaging. Refunds are processed within 3-5 business days after we receive and inspect the returned item. Exchanges are also available if you need a different size or variant of a product. If you have any questions about shipping or returns, feel free to contact our support team.