Can you use a 30 volume developer with toner? I don't recommend it because you'll lighten your hair unevenly
Wella Color Charm Toner 050,T10,T11,T14,T15,T18,T27,T28,T35,20 Developer. | eBay
Wella T-18 toner for BLONDE/PLATINUM hair! Pre-lighten the hair with Wella bleach to desired level … | Toner for blonde hair, Hair color formulas, Blonde hair color
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
Can you use Wella t18 toner with 30 volume developer? Short answer: No! I'll tell you why