Schwarzkopf Igora Royal Oil Developer 9% 30vol 900ml

9%/30 Vol:
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.