Peter Thomas Roth Potent-C Vitamin C Power Serum

Brand new, never used 5ml Made in USA What it is: A serum with 20% THD ascorbate—a mega-potent, ultra-stable ingredient 50 times more powerful than traditional vitamin C—that visibly brightens skin. Skin Type: Normal, Dry, Combination, and Oily Skincare Concerns: Dark Spots, Dullness, and Uneven Texture Formulation: Lightweight Serum Highlighted Ingredients: - THD Ascorbate 20%: Ultra-stable scientific breakthrough form of vitamin C that is 50 times more powerful than traditional vitamin C. - Vitamin E 3% and Ferulic Acid 2%: Help boost the performance of THD ascorbate vitamin C while providing antioxidant benefits.