Wella ColorCharm Hair Toner & Liquid Hair Devolper 20 Volume : Amazon.ca: Beauty & Personal Care
Hair Toner: Everything You Need To Know – Tint Department
I'm dyeing my hair with T18 toner with 30 volume, how long do I leave in? I always use store products. - Quora
right after doing my root touch i used wella t18 to tone down the brassiness... i used 1 oz wella t18 and 2 oz… | Hair toner, Hair color formulas, Wella color charm