Coverline's Tone on Tone, ammonia free demi-permanent range is a truly remarkable colouring system. With 35 beautiful shades, Tone on Tone creates a rich depth of colour while luxuriously conditioning the hair leaving it soft, smooth with a brilliant reflect and tone.
Tone on Tone gives you 80% coverage on grey hair and is ideal for colour correction work. Tone on Tone's smooth creamy consistency makes it easy to use, develops in 10-20 minutes and it is cost effective with 1:2 mixing ratio.