I need to fix my hair HELP ME!!!!!!!?

Ok my hair is naturally platinum blond and i wanted to dy it brown so i SEMI PERMENTLY died my hair brown and it was saposed to wash out im 20 washes well after 2 months of 3 times a day washing my hair andthen my mom buying spetel shampo the dumb semi perment hair die didnt come out so i was sick of it so i tried to permently die it back blond so i died it with one bow od die and it lightend my hair a little but it was still bron but my roots are know blond.so it didnt workso my mom got two bowes of die the next die and we used them both and my hair is light erbut it is still not blond mabey a very dirty blond but i dont know what to do and i want my beautiful blond hir backwhat shoul i do keep dieing it untill it turns blone or should i do some thing else to my hair