Perform a patch test 48 hours before coloring.
Mix the colorant with the developer in the provided bottle.
Apply to dry, unwashed hair, beginning at the roots.
Distribute evenly through the lengths of your hair.
Leave on for 25–30 minutes (longer for gray coverage).
Rinse thoroughly with water until it runs clear.
Apply the after-color conditioner, leave on for a few minutes, then rinse.
Style as desired.