Clynol Viton Go Blonde Gel Base Developer is a revolutionary transparent formula which will let you see what is happening in real time as the blonde works its magic. It is mandatory to use it with Hi Lift Bleach Powder in order to achieve a transparent formula which makes the bleaching process directly visible for absolute convenience and control. The results are natural blondes with real good quality of the hair and perfect shine. Suitable for full head and regrowth bleaching as well as for all in foil techniques on natural or coloured hair.