Create the brilliant white smile that you've been searching for with Supersmile's powerful Whitening Pre-Rinse - Original Mint. Prior to brushing rinse for approximately 30 seconds twice daily. This rinse is silica free, gluten free, sulfate free, sugar free, alcohol free, and Kosher. 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 Supersmile 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. | Supersmile Whitening Pre-Rinse - Original Mint, 16 fl. oz | Dermstore