Niacinamide vs Vitamin C for Dark Spots: Complete Comparison Guide
Dark spots, age spots, post-inflammatory hyperpigmentation—these stubborn patches of discoloration affect millions of people searching for effective solutions. Two ingredients dominate dermatological recommendations: niacinamide and vitamin C. Both show clinical evidence for reducing hyperpigmentation, yet they work through distinctly different mechanisms and suit different skin types and concerns.
This comprehensive guide examines the science behind both ingredients, compares their effectiveness for various types of dark spots, addresses the controversial question of whether they can be combined, and provides evidence-based protocols for achieving clearer, more even-toned skin.