How do i make my hair lighten in the sun?

im 15 and i have light brown hair. i would really love for it to be lighter though and someone told me that it can get lighter in the sun with lemon juice or something, but i wanna know if theres anything else i can useHow do i make my hair lighten in the sun?
Yes, Lemon juice..Squeeze all of the lemon into the roots of your hair and the sun will spread the juice all through out your head...Stay outside directly in the sun for at least 18 hours..How do i make my hair lighten in the sun?
Buy sun in for medium color hair, instructions on back, you can find it in drug stores. works great
there is a product at walmart called sun-in you spray it on when u tan.
you can use sun-in or just squeez a lemon on ur hair before going on to the sun