Experience exceptional semi-permanent hair coloring that is free from ammonia and oxidants. Featuring highly refined acidic pigments, this formula acts on the hair in a physical manner rather than a chemical one, boasting an acidic pH of 2.5. Goldwell's Elumen provides vibrant, internal illumination for stunning and unique color outcomes. Achieve strikingly vivid hues with outstanding longevity. Your hair will look glossy and healthy, and the color retains its brilliance even after a full ten washes.