Redken Color Fusion is apermanent color cream that delivers healthy-looking, multi-dimensional hair color. 100% oxidative dyesHealthy-looking, multi-dimensional resultsLighten, darken, match natural hair color, cover gray, or create high-fashion techniques.Cool Fashion: Provides multi-dimensional results with cool reflects. Mute warm undertones, add more depth, and are completely inter-mixable with other Color Fusion shades. Mix in equal parts with a developer(not included). Processing time is 45 minutes. ATTENTION: This product requires professional expertise. The seller is not liable for any adverse outcome resulting from the use of this product.