Schwarzkopf Igora Royal Permanent Hair Color achieves unrivaled results with the unique combination of Color Cream and Color & Care Developer for brilliant color performance.Perfect color equalization. Long-lasting colour with outstanding coverage. Fortified hair structure with amazing shine. Protection from daily pollution & UV. Proven to mix at least twice as fast as other brands. Usage of shades with up to 100% white hair coverage: Use 3%, 6%, 9% or 12% developer Mixing ratio 1:1 Apply on dry hair. Allow to develop for 30-45 minutes. Rinse well. Shampoo and neutralist with BC Bonacure Color Save products. Use 3% Color & Care Developer when colouring darker. Use 6% Color & Care Developer for tone-on-tone, 1 tone lighter or coverage. Use 9% Color & Care Developer for coloring 1-2 tones lighter. Use 12% Color & Care Developer for coloring 2-3 tones lighter.