Vitamin C is one of the most powerful skincare ingredients, renowned for its brightening, anti-aging, and protective benefits. A well-formulated Vitamin C serum can transform your complexion, fading dark spots, boosting collagen, and shielding skin from environmental damage. In this comprehensive guide, we’ll cover: What is Vitamin C Serum? Vitamin C (ascorbic acid) is a potent antioxidant that helps neutralize free radicals, stimulate collagen,