Use:
Loreal Developer Volume is developed for professional use only. Mix Loreal Professionnel Oxydant Cream with Loreal Professionnel Majirel Permanent Hair Color that best suits the needs, desires, and hair of the client. Use the mixing ratio that best works with the chosen hair color. Once mixed, apply to the hair adjusting the technique to the desired results, and access developing time accordingly. After developing, gently emulsify the product to remove the color from the scalp. Then rinse thoroughly until the water runs out clear and finish by shampooing.
What 20 volume developer do ?
Mix this developer with loreal majirel hair color to "lift" the hair to the desired color.
Instructions:
Always refer to the instructions included. Always combine in the right proportions. Use protective gloves.
Result: Naturally looking hair. It is nourished, regenerated, lightened and shiny.