COSRX The Vitamin C 23 Serum is a high-strength brightening serum formulated with 23% pure Vitamin C to help reduce dark spots, even out skin tone, and improve overall radiance. This lightweight, fast-absorbing serum promotes collagen production, smooths fine lines, and revitalizes dull skin for a youthful, glowing complexion.
Suitable for all skin types, including sensitive skin, this serum can be incorporated into your morning or evening Korean skincare routine to achieve brighter, healthier, and more radiant skin.
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.