Just for men autostop hair colour a 30 light medium brown automatically shuts off at the target colour for perfect results every time easy to use just for men autostop hair colours are easy to use simply comb in the dye and notice the difference in just 10 minutes no mixing no mess does not contain ammonia or peroxide as an added bonus just for men autostop hair colours does not contain any peroxide or ammonia it is gentle on your hair and keeps it looking impressive at all times this