I want to lighten my hair with lemon juice how do i do so?

i have naturally a rich dark brown colour but now i have different shades of blonde and brown all over my head and i want to lighting it just a tad more,

i dont want to dye it again, instead i want to try the whole lemon juice thing.

how do i do this, ? can i just a blow dryer rather than the sunI want to lighten my hair with lemon juice how do i do so?
only gives it a shine you need to use the bottle to go lighter go to a hair salon and get highlights if you want to go lighter

tanning cremes work