This nutrient-rich formula is developed with hyaluronic acid, glycolic acid, lactic acid and vitamins B5, B3, E and A. Nourishing and hydrating, Poly-Vitamin Serum provides exceptional healing, even to those who have suffered skin damage caused by radiation and chemo therapies. 100% of the proceeds during the month of October goes to Breast Cancer Research. 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 iS Clinical 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. | iS Clinical Poly-Vitamin Serum, 1 oz | Dermstore