All Vitamin C is not created equal. That's why we created this super-concentrated treatment with 10% clinical strength Tetrahexyldecyl Ascorbate, a super-stable and highly penetrable form of Vitamin C that diminishes the look of dark spots, defends against skin-aging free radical damage, and diffuses discoloration. Cyclopentasiloxane fills fine lines and wrinkles for a visible plumping effect. We formulated our concentrate without water to ensure stability and optimize skin brightening, smoothing, softening and radiance-boosting benefits. Layer under your SPF for an antioxidant boost or apply before you moisturize. It's designed to blend effortlessly into your routine for a noticeable brightening boost. Key Benefits: Diminishes the appearance of dark spots, discoloration, and sun damage for brighter skin Evens skin tone for a more radiant complexion Helps alleviate free radical damage and environmental aggressors Stimulates collagen production for soft, plump skin Fills in fine lines and wrinkles for a temporary plumping appearance Key Ingredients: 10% Tetrahexyldecyl Ascorbate: enhances collagen production and antioxidant protection to help reduce UV damage and prevent further pigmentation while leaving skin with a brighter complexion. Cyclopentasiloxane: provides an ultra-soft texture and fills in lines and wrinkles for a temporary plumping appearance. 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 VI Derm 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. | VI Derm Vitamin C Brightening Concentrate, 1 fl. oz | Dermstore