If there's one ingredient that everybody should be using, it's vitamin C, which is exactly what the Vitamin C Power Set focuses on. Consisting of the Resveratrol Vitamin C Peeling, the Resveratrol Vitamin C Serum, and the Resveratrol Vitamin C Moisturizer, these antioxidant-rich blends have been formulated to brighten and tighten the appearance of the skin.