Dr. Oz on how to keep your hair healthy

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Your outer beauty often reflects your inner health, and Dr. Oz says that's especially true when it comes to hair. He recommends a 10-second hair test to see if yours is healthy. "Grab some hair, about as much as you would put in a straw. Grab it at the very bottom, right where it comes off the scalp, and pull up," he says. "Now look at how many hairs you have in your hand. A straw amount of hair is about 60 hairs. If you're pulling out more than six hairs, then you're starting to lose hair a little rapidly." 

People think baldness is strictly a male problem, but 40 percent of women suffer from hair loss. "You've got to treat [your hair] like a fine silk blouse that got wet," Dr. Oz says. "If you're blow-drying your blouse that got a little wet or if you're combing it backward over and over again, or if you're too rough with it, it begins to fray. Your hair has to be dealt with extraordinarily gently." 

Dr. Oz says the best thing you can do for your hair costs less than 9 cents a day. "Get a charcoal filter and put it in your showerhead," he says. When chlorine is present in the water in your shower, it can dry you up a lot. A filter is an easy fix. 

He also suggests covering your hair when you're in a lot of sunlight. "The sun actually fries the hair and will take away that lovely body it's supposed to have." Finally, only shampoo when your hair is dirty—not every day.
As a reminder, always consult your doctor for medical advice and treatment before starting any program.