Mixing ratio: 1:1 with 5 Volume LumiShine Developer Application: Best applied with a color applicator bottle. When mixing in a bottle, add developer first, then color, and shake well. Apply to damp, towel-dried, or completely dried prelightened (bleached) hair or previously colored hair in need of a toning refresh. Timing: Process for up to 5 minutes on prelightened hair or until desired shade is achieved. Do not use heat.