Welloxon Perfect 6% 20 Vol 950mlHigh quality colour developer designed for Wella tints. With superb mixability and a thick and creamy consistency, Welloxon Perfect is a fantastic quality peroxide thats easy to use and gives superb results. Its specially formulated to give stunning results with other Wella products like Blondor and Koleston Perfect. In fact, Koleston Perfects high density colour (HDC) molecules will only achieve their full potential when developed with the HDC