Most of us have heard that Vitamin C Serum does amazing things for skin. It’s been scientifically proven to stimulate collagen production, protect and repair damaged cells, make skin thicker, stronger, firmer, reduce inflammation, and brighten skin while diminishing hyperpigmentations, dark spots, freckles, and scars. But, with so many options out there, what’s the best way to buy a high quality Vitamin C Serum that works?