Hi geeks I've got a client in tomorrow she's got roots which are about an inch long which are very light grey near enough white and around a base 7 tint on the ends, her hairs long she's insisting she wants just a full head of blonde highlights but if I use a tint it's not going to lift on the ends only on roots but if I do bleach with a low peroxide it's gunna go too bright on her roots and be blonde on her lengths not quite sure what to do really so I'm hoping someone can help as I've got her in in the morning. Xx