Azelaic Acid vs Tretinoin for Acne and Dark Spots – Which Works Better
Tretinoin works better if the goal is aggressive acne control and faster pigment turnover, but azelaic acid works better for many people in real life because it treats acne and dark spots with fewer side effects, lower irritation risk, and higher long-term adherence. Clinical studies consistently show stronger comedolytic and pigment normalizing effects with tretinoin, … Read more