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 complexionThiotaine: one of the most potent antioxidants around, thiotaine protects and repairs tired skin while strengthening the skinGlutathione: one of the most powerful antioxidants around, glutathione prevents free radical damage and has the added benefit of brightening skin too20% 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 linesKey Benefits:Firms skinProtects and repairs tired skinPromotes smoother and radiant skinVisibly brightens dullness. Dermstore has partnered with Flex to allow you to use your Health Savings Account (HSA) or Flexible Spending Account (FSA). This means you can now use your HSA or FSA debit card to buy Allies of Skin products with pre-tax dollars, resulting in net savings of 30-40%, depending on your tax bracket. Eligible for HSA/FSA with a letter of medical necessity at checkout. From dermatologist-recommended treatments to solutions for chronic skin conditions like acne, eczema, and rosacea, these products are both effective and eligible. | Allies of Skin 20 Vitamin C Brighten Firm Serum, 30 ml | Dermstore