SkinCeuticals Phloretin CF Serum and Discoloration Defense Serum form a curated antioxidant and pigmentation-care routine for dark spots, post-acne marks, uneven tone, dullness, and visible signs of environmental damage. Phloretin CF combines 10% pure Vitamin C, 2% Phloretin, and 0.5% Ferulic Acid to provide antioxidant protection while improving discoloration, fine lines, and radiance. Discoloration Defense combines 3% Tranexamic Acid, 1% Kojic Acid, 5% Niacinamide, and 5% HEPES to target stubborn pigmentation, post-acne marks, and uneven skin tone. Used together, the duo supports brighter, clearer, smoother, and more even-looking skin.