One color of keralok is the first permanent use in home coloring that should not be mixed. Thanks to the innovative packaging concept, hair dye color can also be used for 4 months All our colors are climate-neutral Permanent Coloring RevolutionOne of Keraloc's is the first permanent hair dye that can be used immediately without prior vibration or stirring. Allows the packaging Also innovative reusable for up to 4 months after opening the package. This makes hair coloring at home more user-friendly, but the innovative Keralok one-color dye color achieves more than that