Product Features: Brand: Renee Blanche Type: Oxygen, Developer Hydrogen Peroxide Cream 40 Vol Product weight: 1000 ml Origin : Italy Volume: 40vol, 12% Details: Developer Hydrogen Peroxide Cream 40 Vol is the oxidizing agent that allows the hair color to do its job. The peroxide opens the cuticle so that the color can penetrate. It also disperses the existing color and can lighten the hair’s color level depending on the strength of the peroxide formulation. For Professional use. Avoid any Contact with the eyes in case of direct Contact with eyes rinse immediately.