Allies of Skin's 20% Vitamin C Brighten + Firm Serum is a daily serum that harnesses the power of 20% vitamin C with orange extract to boost a brighter and firmer complexion. Formulated for all skin types, this potent serum forms a protective shield against daily external aggressors and pollutants while promoting radiance, enhancing elasticity and minimizing dullness. Key Ingredients: 2% Citrus Cells: extracted from oranges, this active promotes smoother and firmer skin for a renewed complexion Thiotaine: one of the most potent antioxidants around, thiotaine protects and repairs tired skin while strengthening the skin Glutathione: one of the most powerful antioxidants around, glutathione prevents free radical damage and has the added benefit of brightening skin too 20% Ethylated L-Ascorbic Acid: a pure form of L-ascorbic acid in an ethylated form that is extremely stable, provides superior antioxidant protection and reduces the appearance of dullness and fine lines Key Benefits: Firms skin Protects and repairs tired skin Promotes smoother and radiant skin Visibly brightens dullness