A report about a cancer-causing chemical being detected in some dry shampoos may have led you to rethink your hair care routine. Experts weigh in on how often you should wash your hair — and what you can do to maintain it on off days.
A report about a cancer-causing chemical being detected in some dry shampoos may have led you to rethink your hair care routine. Experts weigh in on how often you should wash your hair — and what you can do to maintain it on off days.