Step-by-Step: Pro-color protocol Posted on 3rd June 20193rd June 2019 by Nolene Owen Step 1: Apply the colour as usual. Step 2: Rinse off the colour with abundant water. Step 3: Pour into a bowl 15-20 ml Color Perfect Cream, mixing it with a few drops of Color Perfect Serum. Step 4: Apply to all hair. Leave for 2 – 5 minutes. Rinse off. Step 5: Only if there is scalp staining, proceed to wash with the Color Perfect Shampoo. Step 6: Apply Color Perfect Conditioner to towel dried hair. Leave on for 2 – minutes. Rinse off. Step 7: The Color Perfect Serum can be applied to wet hair before styling, or afterwards for a smoothing and anti-frizz effect.