A deeply-hydrating non greasy moisturizer from Sunday Riley formulated with 5% Vitamin C in the form of powerful and stable THD Ascorbate. This is a highly concentrated form of Vitamin C that helps to prevent and repair the appearance of premature skin aging without causing irritation that other forms of Vitamin C may cause. Skin looks brighter, hydrated and smoother while getting a dose of antioxidant support. * 1.7 oz * Formulated for all skin types **How to Use:** Apply to clean skin, once or twice a day, for luminous, moisturized skin. Works well for sensitive skin. Can be used in the morning to visibly brighten provide anti-oxidant support, or at night, to visibly repair the look and feel of dehydrated, sensitive, UV-B and pollution exposed skin.