SkinCeuticals Phloretin CF SerumAn advanced antioxidant serum that combines 10% pure vitamin C (L ascorbic acid), 2% phloretin, and 0. 5% ferulic acid to provide broad spectrum environmental protection. This fast absorbing liquid formula helps diminish the appearance of discolouration, refines skin texture, and improves skin tone, making it ideal for normal, combination, and oily skin types. The serum is particularly well suited for those who prefer a classic lightweight texture