Do a patch test 48 hours before using.
Mix the colorant with the developer in the applicator bottle.
Apply the mixture to dry, unwashed hair, starting at the roots.
Leave it on for 25 to 30 minutes (longer for gray coverage).
Rinse hair thoroughly with water until it runs clear.
Apply the after-color conditioner, leave for 2–5 minutes, then rinse again.
Dry and style your hair as desired.