Wella pre pig help

[Lianne j]

hi I have a client with white, bleached hair. She wants to go base of 5 . Wella is my colour house. What should I pre pig with?
Thanks

 

[Glamisaprocess]

You'd have to pre pig with /34 to replace gold copper tones missing.
I know some like to do a colour touch 7/43 and then out the desired brown on top.
Perfecton is the favourite of you can get it but I struggle to get it reliably where I am