Brand from South Korea: CKD Guaranteed. Benefits:This mask sheet is infused with 99% purity Vitamin C and five types of Vitamin C derivatives that help brighten skin tone and minimize pores.Contains niacinamide, glutathione, arbutin, and tranexamic acid, which aid in reducing the appearance of freckles, blemishes, and pigmentation.Enriched with Centella Asiatica Extract and Hydrolyzed Sponge, it helps soothe the skin and promote a healthy condition.The mask sheet is made with hydrogel, facilitating better and deeper absorption while adhering well to the face.Dermatologically tested and it is suitable for sensitive skin.How to use:1. After cleansing, prep the skin with toner.2. Remove the film and place the mask onto the face for 30 minutes.3. Once the mask becomes transparent, remove it and gently dab the remaining essence on the face for better absorption.