Schwarzkopf Igora Royal Developer is fast and easy mixing with optimal care. Please refer to the instructions specific to this product. Contains hydrogen peroxide.
- 10 Volume (3%)
- 20 Volume (6%)
- 30 Volume (9%)
- 40 Volume (12%)
Ingredients: Water, Hydrogen Peroxide, Cetearyl Alcohol, Propylene Glycol, Ceteareth-20, Steartrimonium Chloride, Mineral Oil, Etidronic Acid, 2,6-Dicarboxypyridine, Disodium Pyrophosphate, Potassium Hydroxide, Fragrance, Sodium Benzoate