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pay attention to how light reflects off hair. When dealing with these area's you dont really have to draw them, leave a blank spot where these reflections go and you start to have more natural looking hair. its not perfect I know, but you can use this as a really basic stepping stone to hair. Also be prepared to spend as much time on your hair as you do on your face, its that important.
Oh, and copying only encourages bad drawing habits. If you want to use something as a model cool, but copying is for fags. srsly.