Brand from United States: Skin Ceuticals. Daily dark spot corrector targets visible skin discoloration for brighter, more even-looking skin.Discoloration Defense is a layerable, daily-use dark spot corrector clinically proven to reduce the appearance of key types of skin discoloration in all skin tones, including hard-to-treat forms such as stubborn brown patches and post-acne marks.Formulated with 3% tranexamic acid, 1% kojic acid, 5% niacinamide, and 5% HEPES, this serum for dark spots improves the appearance of skin discoloration, brightens skin, and evens skin tone in as early as 2 weeks.How to use:Twice daily, apply 3-5 drops of this skin discoloration serum to the face.If using in the morning, apply after a SkinCeuticals vitamin C serum and follow with a SkinCeuticals broad spectrum SPF 50+ sunscreen.