They also wash their hair twice a week twice as often as 25 years ago.

ECONOMIST: France��s bathroom blues

Wash your hair with a moisturizing shampoo when you feel you need it, whether that's daily or weekly.

CNN: The 5 biggest hair myths and one unfortunate truth

All experts agree: How often you wash your hair is a personal decision.

CNN: The 5 biggest hair myths and one unfortunate truth

Unable to wash her own hair after her surgeries, Aesha sits in a small chair and leans back over the bathtub so Mati can do it.

CNN: For Aesha, healing comes in many forms