Feel cool and confident with this new Ash blue shade that softly controls warmth of dominant pigments as hair is lifted. This must-have hue creates rich espresso brunettes, bittersweet cocoa tones, or dark smoky blondes. Perfect for guests who want to control unwanted warm tones and see natural results. 5 Ash blue mixes well with N shades at the same or similar levels to blend gray and minimize warm tones.