SHADE 900 Super Clarifying - Light BlondeVitality and Color for the hair · FIXATION AND TOTAL COVERAGE · SOFTNESS AND SHINE · LUMINOUS RESULTS · HEALTHY HAIRPermanent or oxidative coloring Vitality Colour, allows you to completely modify the color of the hair, either to darken it or to radically lighten it. gray hair and color is not removed with washing, being its final action until the hair grows. It contains Shea Butter, with softening and regenerating properties that help to counteract the effects of hydrogen peroxide. The hair is simultaneously bleached and coloured, the natural pigments being partially dissolved and the new pigments being incorporated into the capillary cortex by an oxidation process.WHEN USED• When desired perfectly cover gray hair. • When you want to transform the natural color of the hair, both to darken it, lighten it or to radically change the shade.It must be reapplied every 4-5 s