For a natural-looking dark self tan that tailors to your individual skin tone, try St. Tropez Self Tan Dark Bronzing Mousse. This tried and tested tinted tanning mousse has a darker guide color to guide application but continues to develop over 4-8 hours into an intense deep bronzed tan. 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 St. Tropez 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. | St. Tropez Self Tan Dark Bronzing Mousse, 6. 7 fl. oz | Dermstore