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 benefits 2% 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 treatment Improves the look of fine lines, wrinkles, firmness, uneven skin tone, texture and brightness. Fragrance-free and non-irritating Clinical 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. | Peter Thomas Roth Potent-C Power Serum, 1 fl. oz | Dermstore