1% tranexamic acid This synthetically derived ingredient minimizes the reoccurrence of skin discoloration and stubborn brown patches with continued use. 2% niacinamide Also known as vitamin B3, this water-soluble vitamin is found naturally in yeast, meat, fish, milk, eggs, green vegetables, beans, and cereal grains. It has been shown to help reduce the appearance of skin discoloration. 7% glycerin Draws and retains moisture. 0.3% phenylethyl resorcinol Protects against discoloration and uneven skin tone caused by UV and visible light exposure. Mica and TiO coated mica Instantly brightens all skin tones. Avobenzone 3%, Homosalate 5%, octisalate 5%, octocrylene 7.2%