Dermalogica C-12 Pure Bright Serum combats hyperpigmentation day and night. Advanced formula absorbs quickly to optimize efficacy while helping to increase skin luminosity. Contains an exclusive blend of Oligopeptides, plus Rice-derived Phytic Acid, antioxidant Zinc Glycinate, and Red and Brown Algae to help regulate melanin (pigment) formation. How to use: After cleansing, apply directly to areas of uneven skin tone. For best results, use twice daily.