If your Wella toner comes with a 10 volume developer, mix in 1 part toner ⦠Mix the Wella hair toner. Wella Color Charm Permanent Liquid Hair Toner with Liquidfuse Technology saturates, penetrates and fuses with the hair to deliver vibrant color that is exceptionally fade resistant. Combine 1 part toner with 2 parts 20-volume developer, and blend them together with a brush. If your hair is dark blonde to light brown, you will need an ash or golden toner to brighten or deepen your blonde color. The toner worked on my dark hair. Things to consider Before Toning Your Hair. My friend had been very patient. Because I had evened out the color of those red streaks to the color of the dye that I had applied. Over my wet hair, she applied the toner ⦠This is what my hair looked like using JUST 20 developer plus T18 toner⦠The ⦠Transform any starting level into gorgeous blonde with intermixable shades and more. T35 Beige Blonde: (toner with a green-violet base) Wella toner chart before and after. If you want to use the Wella Toner, then Wella recommends you to lighten up your hair ⦠After Pictures â Hair after Using Wella T18 Toner (without Bleaching Hair First) Below are the AFTER pictures. This shows what your hair may look like if you use Wella T18 toner on your hair. Why did the toner work on my brown hair? Discover Blondor permanent liquid hair toner from Wella Professionals.