Schwarzkopf igora royal developer 3%/10vol: For colouring darker. For pastel colouring, with 9.5-shades on previously bleached or highlighted hair. 6%/20vol: For colouring tone-on-tone up to 1 level lighter and the coverage of white hair with the color of rhapsody, harmony, lust, perfection and serenity. Exclusion from the color of serenity: -00 shades, always use 9%/30vol.. 9%/30vol: For colouring up to 1-2 levels lighter with shades from the color of rhapsody, harmony, lust, perfection and serenity. For lightening 2-3 levels with 10- series. For lightening 3-4 levels with 12- series. For covering resistive white hair with ?00 shades. For covering white hair with the color of commitment. 12%/40vol: For colouring up to 2-3 levels lighter with the color of rhapsody, harmony, lust, perfection and serenity. For lightening 3-4 levels with 10- series. Recommended application for 10- series: Natural base 7-0 and lighter. For lightening 4-5 levels with 12- series. Recommended application for 12- series: Natural base 6-0 and lighter. Available size: 33.8 oz / liter.