Does anyone know if I can use toner without developer if I just wanted to get rid of the brassy orangeyellow tones. So the safest way is the lowest volume possible for the shortest time. How To Use Wella T18 Toner Diy No Bleach T18 Toner Wella Toner T18 Wella T18 The first step to using Wella T18 toner is to mix two parts developer with one part toner. How to use wella t18 toner without developer . I dont think you can go wrong. For example if your roots are yellow and the rest of your hair is orange you should mix 75 of T18 or T14 depending on how light the yellow is with 25 of T10. If playback doesnt begin. Just a little video of how I toned my hair with Wella Color Charm T18 and how it came out. Here We show the result of the Wella T11 T18 Toner Before and After. Pull on disposable gloves and clip up the top layers of your hair. Pour the Wella T18 toner into the mixing bottle. Mix 1 part Wella Color Charm Color or any permanent hair color with 2 parts Well Color