- Squeeze all content of Pro Color Tube (A) into Pro Color Developer bottle (B).
- Replace developer cap and shake until thoroughly blended.
- Apply mixture to roots. Allow to sit for 20 minutes.
- For never colored hair, work mixture through the hair from roots to tips. Allow to sit for 25 minutes. Proceed to Step 3.
- Run excess product through ends. Allow to sit for 10 minutes and rinse.
- Condition using Pro Color Conditioner included.