Not every two days, not every four days: how often should you wash your hair, according to a dermatologist
Not every two days, not every four days: how often should you really wash your hair? The answer, according to many dermatologists, is simpler than you might think — it depends on your scalp, not just your hair. Your scalp is skin. Just like the skin on your face, it produces oil (sebum), sweats, sheds … Read more