If your scalp has a recurring musty or sour smell, even after regular washing, you could be dealing with a microbial imbalance. Often dubbed online as “moldy scalp,” this issue is typically caused by fungal overgrowth, most commonly Malassezia, a yeast that thrives in warm, humid and occluded environments. Symptoms may include itching, flaking, inflammation, tenderness and—in chronic cases—hair shedding. The good news? It's treatable with proper hygiene practices and targeted antifungal or balancing scalp treatments. 📌 Tap the link in bio to learn the 7 clinical signs to watch for and 6 dermatologist-recommended strategies to restore scalp health. #btceditorial #behindthechair #scalphealthexpert #hairscience #professionalhairdresser #trichologytips #saloneducation