Hair Washing Tips: How Often Should You Clean Your Hair? 🧴

How often should you wash your hair, and is "rinse and repeat" necessary or just marketing? Can you overdo it with shampoo? Good Housekeeping Health & Beauty Analyst Chiara Butler breaks down the dos and don’ts of hair washing — how much product to use, when double cleansing is worth it, and whether your hair can really get "used to" a shampoo.