Vitamin C Hub A powerful antioxidant that helps brighten the skin, support collagen production, improve tone and texture, and protect against environmental stressors. Vitamin C for Skin: Benefits and How It Works How to Use Vitamin C Serum Vitamin C for Acne Scars: Can It Help Fade Marks? What Not to Use With Vitamin C Vitamin C for Hyperpigmentation Vitamin C vs Niacinamide Azelaic Acid and Vitamin C: Can You Use Them Together? Here’s What Dermatologists Want You to Know