C Eye Advance+ contains 7. 5% time released vitamin C to brighten and revive the eye area. Vitamin C (L-ascorbic acid) works to renew the eyes by lightening dark under eye circles, encouraging collagen and elastin production, reducing puffiness, diminishing fine lines and wrinkles, and protecting with potent antioxidants. iS Clinical's copper tripeptide growth factor maximizes vitamin C performance, leading to extraordinary results. C Eye Advance+ is specifically designed for use around the delicate under eye area, ensuring irritation-free use. The eye area is left smoother, healthier, brighter and more youthful. 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 iS Clinical 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. | iS Clinical C Eye Advance Plus, 0. 5 oz | Dermstore