Washing your hair can sometimes seem like nothing more than a time-sucking chore. "Shampooing removes sebum or oil that normally coats the hair shaft," Dr. Brendan Camp, a dermatologist at New York’s ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Sticking with the same hair‑washing routine for decades may feel ...

I’ve always marveled at women who can go days without washing their hair. I have friends who can get a wash and blowout on a Monday and not shampoo again until Friday. Me? I try to go every other day, ...

Washing your hair can sometimes seem like nothing more than a time-sucking chore. Experts say a good wash is important to ensure strands are less oily and not coated in dirt and debris, as well as to ...