Schwarzkopf Igora ROYAL Oil Developer (STYLIST KIT) Hydrogen Peroxide, 33.8 oz / 1000ml (6% / 20 Volume)
- For coloring 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..