Cool Toner For Hair Color References. Mix them with 20 vol developer is a 1+2 mix. It allows the hairdresser to adjust the tone of your hair color, but it cannot change your hair color!
Web what is hair toner? Hair toners can be used to achieve two things. Web here, the best toners for blonde hair — including masks, sprays, drops, treatments and conditioners — that help tame brassy blonde shades at affordable prices, according to hair color.
