Peter Thomas Roth creates Potent-C Power Serum to brighten your complexion and revitalize your skin with essential nutrients. Feel the moisturizing power of this face serum's powerful vitamin C and E enriched formula, ready to take on fine lines, wrinkles, loss of firmness and uneven skin tone. Key Ingredients:20% THD Ascorbate*: ultra-potent, gold standard Vitamin C that helps improve the look of uneven skin tone and texture, firmness and fine lines and wrinkles. 50X more potent than traditional Vitamin C (Ascorbic Acid). *THD Ascorbate delivers vitamin C benefits up to 50X more effectively than ascorbic acid. 3% Vitamin E: provides antioxidant benefits2% Ferulic Acid: an antioxidant that works synergistically with vitamins C and E to enhance their benefits. Hyaluronic Acid: helps improve hydration by attracting and retaining up to 1, 000 times its weight in water from moisture in the air. Key Benefits:Delivers a complete and advanced anti-aging, firming and brightening treatmentImproves the look of fine lines, wrinkles, firmness, uneven skin tone, texture and brightness. Fragrance-free and non-irritatingClinical Studies:Helps improve the look of fine lines, wrinkles, firmness, uneven skin tone, texture, brightness and dehydration in 7 days*. *Based on a 28-day consumer perception study with 35 female subjects. 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 Peter Thomas Roth 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. | Peter Thomas Roth Potent-C Power Serum, 1 fl. oz | Dermstore