Containing more than 90% PITERA™, which is our proprietary naturally-derived ingredient that stimulates the skin's natural reproduction of Hyaluronic Acid and Natural Moisturizing Factors. Improves surface cell turnover renewal leaving your skin fundamentally healthy and youthful looking. 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 SK-II 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. | SK-II Facial Treatement Essence, 160 ml | Dermstore