Been mobile for years and don't do many colour corrections . My client box colours her hair base 6 and has chosen 7.43 , I use majirel . Have not used colour reducer before as back in the day it was a good old bleach bath so was thinking to lift a shade with reducer and 7.43 diarichesse but adding some base to root area , avuce appreciated and also how much would you charge for colour reducer , thanks , Sally x I will be doing a strand and patch first as it's been a while since I have coloured her hair x