Discover a cool, natural-looking shade with Revlon Colorsilk Beautiful Hair Color - 40 Medium Ash Brown. This ammonia-free permanent hair dye delivers 100% gray coverage and a fade-defying ash-brown tone that neutralizes warm or red undertones. Infused with keratin and silk amino acids, it nourishes your strands from root to tip, leaving hair looking healthy, shiny, and silky-smooth. Revlon’s 3D Color Gel Technology™ ensures rich, multi-dimensional color with natural-looking depth and shine — perfect for those who want a sophisticated, ashy brunette finish.