How do you bleach your hair with Lemon Juice?

I am confused I know you use lemon juice and have heard some stories about how you lighten your hair and put it in your shampoo to keep from getting roots but how exactly do you do it?How do you bleach your hair with Lemon Juice?
You spray or pour lemon juice in your hair all over and lie in the sun for at least an hour. The acids in the lemon bleach your hair... be patient though and youll see results!!!How do you bleach your hair with Lemon Juice?
it lightens it but dont put it on ur scalp it burns