Brand from South Korea: Dr.Melaxin. Benefits:A functional ampoule help to reduce freckles and dark spots using specialized technology.Containing Tranexamic Acid(TX) which is used in medications for treating freckles.Containing 43000 ppm Niacinamide, a dermatological brightening ingredient that reducing melanin.Skin irritation test completed.How to use:Apply a small amount of serum and gently spread it over your skin.