Kick-Start your skin's hydration cycle with Dermalogica's Circular Hydration Serum. This serum utilizes an enhanced Hyaluronic Acid that penetrates the skin surface for immediate hydration, replenishing it from within, and helping to prevent furture hydration evaporation. 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 Dermalogica 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. | Dermalogica Circular Hydration Serum, 30 ml | Dermstore