6% / 20 Volume.
For coloring tone-on-tone up to 1 level lighter and the coverage of white hair with the Color of Rhapsody, Harmony, Lust, Perfection and Serenity.
Net wt: 1 Liter.
- 3% for darker or pastel colors and to cover 100% white hair; 6% for tone-tone coloring, coverage of white hair and lightening of 1 to 2 levels;
- Schwarzkopf's New Oil Developer is a conditioner, care peroxide that is optimized to work with the new IGORA ROYAL but can also be used with old style IGORA if you still have a few tubes to use.
- This specially developed high-performing developer provides perfect long-lasting colour results and superb shine