Kojic acid, TXA and arbutin are targeted brighteners used for the look of dark spots and uneven tone. Results come with patience, consistent use and daily sunscreen. Browse medicube Kojic Acid Turmeric masks and toners, Anua Niacinamide 10% + TXA 4% Serum and Dr.Melaxin TX Kojic Acid Turmeric Toner Pads.