hair coloring ( hair dye, hair color cream ) GMP,GMPC,ISO manufacturer features: 1)Ammonia free, contains intense conditioning ingredients help to prevent damage while coloring.After-color Condlitioner saturates your hair for a soft and shiny result. 2)Grey hair can be significantly darkened in just 5 minutes; Darkening will be enhanced as developing time lengthens. 3)Includes a professional brush for simple retouching of grey root regrowth. 4)low ammonia,colors hair healthily with hair natural gloss 5)make black hair have bright ,radiant,gorgeous color easily. 6)last around 6 weeks 60mlx218 colors for choice