Hi everyone..I was hopping if u could help me ..I have a lady who bleached her hair at home and the root and ends are blond platinum and has a yellow band in the middle of hair she doesn't want to bleach it again and I don't know what colour or toner use so I don't get grey or vilot in ends and roots ? Is 8/69 illumina works ? I'm using wella colour so if anyone advise me .. many thanks