Peter Thomas Roth "Potent-C" MORE POWERFUL THAN TRADITIONAL VITAMIN C Potent-C™ unleashes the strength of powerful antioxidants and THD Ascorbate, mega-potent Vitamin C that’s 50 X more powerful than traditional Vitamin C. See an improvement in wrinkles, firmness and brightness* with all-over and targeted treatments. Potent-C Power Scrub 4oz $47.00 Potent-C Power Serum 1oz $123.00 Potent-C Moisturizer 1.7oz $85.00 Potent-C Power Eye Cream 0.5oz $78.00 Potent-C Targeted Spot Brightener 0.5oz $73.00 Potent-C Power Brightening Hydra-Gel Eye Patches $80.00