client base 6/0 used 12/1 + 40 vol Wella. Its gone yellow 9 and she wants it toned and slightly darker. Question I have is shall I use 1.9% or 4% with colour touch 9/16+8/0. I rarely need to tone so I'm a little bit worried
Sent from my XT1032 using SalonGeek mobile app
Sent from my XT1032 using SalonGeek mobile app