Acne Marks vs Melasma vs Sun Spots: How to Tell the Difference
Understanding dark marks starts with correct identification. Learn how to tell acne marks (PIH/PIE), melasma, and sun spots apart by pattern, color, triggers, and pigment depth, plus realistic treatment roadmaps, sunscreen-first guidance, and when to see a dermatologist.
![]()
Dr. Elena Martinez, MD (Dermatology Advisor & Contributor)
September 24, 2015