How to use Wella T18 toner with a 20-volume developer
Wella T14 Vs T18: Toner Differences, Results, & Expectations
Wella Color Charm White Lady Toner - Reviews | MakeupAlley
Can you use a 30 volume developer with toner? I don't recommend it because you'll lighten your hair unevenly
I toned my hair with wella 18 toner to get the yellow out, it helped a little but there is still more yellow than I want, should I do it again? - Quora
Toner didn't work, still brassy. Help! : r/FancyFollicles
How to Highlight Hair at Home | Beauty - Page 2 of 3 - Kara Metta