I did this when I was 17 - just peroxided the ends (had a longish 'pob' style haircut - pre posh spice of course
). Looked wicked. And then dyed it all bright pink (with a tub from Camden market) so the ends went super-bright... ahhhh, those were the days...
Was actually considering doing it again recently as i loved the look (have expensive highlights that are growing out). Have only had one orange bleach hair disaster where it was on top of an existing dye
.
Ah, tell her to get to ASDA and just get the dye (Jerome B do bleach I think). She can just paint it on the ends... it's only hair, it'll grow!