Dos and Don'ts for Healthy Hair Diet

Do:

Eat lots of fruits and vegetables for their antioxidants -- the more variety of color, the better

Take a daily multivitamin supplement

Choose less processed foods whenever possible for the highest amount of vitamins

Drink plenty of water to keep yourself well hydrated

Don't:

Don't Drink alcohol

Don't Smoke

Don't Eat highly processed foods (most snack foods, cookies, cakes, candies)

Source: http://yourtotalhealth.ivillage.com/healthy-hair-diet.html?pageNum=3