Schwarzkopf Professional Igora Royal - 4-90 Medium Brown Violet Natural

Igora Royal, perfected color in high definition. Igora Royal offers ultimate color retention, high color intensity, and up to 100% gray coverage. The clearest light shades and enhanced care properties ensure maximum contrast and shine. With absolutely strand-true results, you achieve 100% reliability and stunning performance.

Application

Use only the Igora Royal Oil Developer with this product. For a normal color application or a tone-on-tone coloration, as well as to lighten by one level, you need the Igora Royal Oil Developer 6%. For darkening, you will need the Igora Royal Oil Developer 3%. The series 10, -00, -40, -50, -60, -70, -80, and -90 are mixed with the Igora Royal Oil Developer 9%. To achieve a lightening of 2-3 levels, use the Igora Royal Oil Developer 9%. The mixing ratio for all is 1:1. The 12 series is mixed in a ratio of 1:2 (1 part color cream: 2 parts developer). If you have any questions, we are always happy to assist you.