Don't overdo the shampoo

Shampooing too often is one of the most common causes of dry hair. Many people believe that squeaky-clean hair is healthy hair, so they wash it one or more times every day. But shampoos often contain harsh cleaning agents that can strip away your hair's natural oils, which help hold in moisture. On the other hand, a gentle shampoo will stimulate the oil glands, so you probably shouldn't go longer than three days without a good lather.