What it is:
20 volume liquid developer is used for standard formulations, up to 2 levels of lift and coverage of grey and white hair. This product is to be used in combination with Wella haircolor/bleaching products.
What it is:
20 volume liquid developer is used for standard formulations, up to 2 levels of lift and coverage of grey and white hair. This product is to be used in combination with Wella haircolor/bleaching products.
