THD Ascorbate is an ultra-stable scientific breakthrough ingredient that is 50 X more powerful than traditional Vitamin C. Peter Thomas Roth Clinical Skin Care unleashes the strength of THD Ascorbate in the Potent-C™ Collection to help improve the look of fine lines, wrinkles, firmness, uneven skin tone, texture and brightness.

Peter Thomas Roth products with THD Ascorbate:
Potent-C Brightening Vitamin C Moisturizer