Is shampooing once a day too much? Is doing it once a week too little? Experts say it depends on a few factors.

While there may be a certain appeal in wanting to attain effortlessly luscious, healthy hair by simply extending the number of days between shampoos with dry shampoo, for example, this might ...

A woman's "hair math" dilemma has divided the internet, sparking a debate about how often women should wash their locks. Kathrin Downs (@kathrin_downs) shared a relatable conundrum on TikTok, ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Double shampooing is a hair care technique where you ...