Wearing gloves and in a non-metallic bowl, mix 1/2 a tube (1 oz./30 g) of Step 1: Lightening Cream and the contents of one sachet (1 oz./30 g) Step 2: Lightening Accelerator Cream and gradually add (1 oz./30 g) of 20, 30 or 40 Volume Matrix Cream Developer.
Mix until you obtain a rich, smooth mixture.
Apply to dry, unwashed hair using a brush, comb or any other highlighting tools normally used to achieve the desired result.
Keep mixture off the scalp.
Process under heat for 15 minutes or 35 minutes without heat.