The future of vitamin C has arrived. Peter Thomas Roth Potent-C Targeted Spot Brightener unleashes the strength of powerful antioxidants and THD ascorbate, an ultra-stable scientific breakthrough ingredient 50x more powerful than traditional vitamin C. Packed with a concentration of 10% vitamin C, this potent spot brightener is amplified by 3% vitamin E and 2% ferulic acid, providing powerful antioxidant benefits. Gwennis and angelys help reduce and brighten the look of dark spots by up to 75%, while aloe and allantoin help soothe the appearance of skin.