Vitamin C, also known as Ascorbic Acid, is a powerful antioxidant known for helping to improve the appearance of wrinkles, firmness and brightness. Peter Thomas Roth Clinical Skin Care unleashes the power of Vitamin C in the Potent-C™ Collection, which uses THD Ascorbate—a mega-potent Vitamin C that is 50X more powerful than traditional Vitamin C!

Peter Thomas Roth products with Vitamin C:
FIRMx® Eye Temporary Eye Tightener
Max Mineral Tinted Sunscreen Broad Spectrum SPF 45