A must-have for hair prone to split ends and breakages, the Olaplex No. 4 Bond Maintenance Shampoo intensively nourishes as it cleanses. The shampoo uses patented technology to target bonds, promoting stronger-looking hair with each wash. Ideal for hair that has been exposed to frequent colouring, bleaching, chemical treatments and heat styling, the shampoo delivers moisture without weighing your lengths down. Use daily or on every wash day as part of your Olaplex routine. Suitable for all hair types. Vegan. 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. 4 Bond Maintenance Hair Care Shampoo Travel, 3. 3 oz | Dermstore