Acne marks can linger long after a breakout heals, but the right skincare routine can help speed up the fading process. Learn which ingredients are most effective for post-acne marks, including sunscreen, retinoids, niacinamide, azelaic acid, vitamin C, and exfoliating acids. Discover how to support skin healing, avoid common mistakes, and achieve a clearer, more even-looking complexion with consistent care.