An antioxidant-rich, leave-in, silicone-free hair serum to shield hair from pollution, heat, and future damage by nourishing hair, blocking pollutants, and neutralizing free radicals. See satin shine, better style memory, bounceback curls, tangle and static control, and heat protection up to 450°F. For all hair types. Shields hair from pollution for 48 hours. 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 Olaplex 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. | Olaplex No. 9 Bond Protector Heat Protection and Frizz Reduction Nourishing Hair Serum, 90 ml | Dermstore