GZFACAI hair color creams have 73 kinds of Japanese and European color shades to provide stylists more color choices. Creamy appearance and easy to match colors. Special formulation to achieve color effectively and long lasting, it fit with the oxidizing emulsion cream perfectly, it is easy to rinse and remove from the scalp, it smooths the hair while coloring, makes it easy comb after colored.Direction For Use:• 10 vol (3%) for tone to tone or darker• 20 vol (6% ) for 1 – 2 high- lightening tones• 30 vol (9%) for 2-3 high- lightening tones• 40 vol (12%) for 3 – 4 high- lightening tonesHow to Use:1. Section the hair.2. Take same amount of hair cream and oxygenated milk in a plastic container, mix well and immediately apply it evenly to the hair.3. Wear a dye cap and wait 10-30 minutes (if the temperature is too low, heat it properly) . The length of time depends on the degree of hair coloring you want.4. Wash your hair with shampoo and blow-dry your hair.