A smelly scalp can be caused by various factors, including poor hygiene to medical conditions. This article explores the common causes of smelly scalp, the connection between scalp odor and hair type, surprising ways your daily habits can impact scalp health and odor, and the role of diet in preventing and treating smelly scalp. Additionally, it provides natural remedies, tips from a dermatologist, and a comprehensive guide on what your scalp smell is trying to tell you.