How Often Should You Wash Your Hair?

About 90% of Americans shampoo daily. One hundred years ago, people only washed their hair monthly, and in the 1950s, it was customary for women to have their hair washed and set once a week at the salon. Related: Eight Things Your Hair Says About Your Health A clean head of hair feels fresh and smells great but over-washing can turn one's healthy locks into a pile of straw. The average TV