American Crew Classic Developer Activador covered the gray hair areas in just 5 minutes. The Developer Activador works with the Precision Blends, without the use of foils or a long wait. Gray spots are covered by this new system and restore your hair to its natural hue. Works best on men's hair.

Precision Blend Colour Developer is for use with the American Crew Precision Blend Colour Kit. Used in conjunction this will produce optimal results for grey blending.

Look five years younger in just five minutes as the colouring process only needs five minutes for the color to develop.