Discoloration Defense is a daily-use dark spot corrector clinically proven to reduce the appearance of key types of skin discoloration, including sun induced discoloration, melasma and post-acne marks. Formulated with 3% tranexamic acid, 1% kojic acid, 5% niacinamide, and 5% HEPES, this latest-generation formula improves the appearance of skin discoloration, brightens skin, and evens skin tone. This serum can be used by all skin types, twice daily. If using in the morning, apply after a vitamin C serum and follow with a broad spectrum SPF 50+ sunscreen.Discoloration defense is paraben, fragrance, silicone, gluten and hydroquinone free. It is a great at- home complement to professional skin discoloration treatments such as chemical peels or non- ablative lasers.