Schwarzkopf Igora Royal Developer 30 Volume 9% For coloring 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.