Formulated to provide 48-hour hydration in a single application, Avène's Hydrance Boost Serum works to replenish the look of dry skin types. The formula is enriched with hyaluronic acid and niacinamide (vitamin B3), locking in moisture for long-lasting hydration. At the heart of Avène’s formula, Thermal Spring Water delivers intense hydration and boosts the look of skin’s suppleness. The lightweight, non-greasy serum helps to protect the moisture barrier, leaving skin with a soft, luminous appearance. Made up of 96% natural origin ingredients, the serum is suitable for sensitive skin types. 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 Avène 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. | Avène Hydrance Boost Serum, 1 oz | Dermstore