From the #1 selling hair color brand in the United States get ready for long-lasting multi-dimensional color and shine with Revlon ColorSilk Beautiful Color. With Revlon 3D Color Technology this at-home hair color delivers natural-looking rich multi-tonal color from root to tip. The ammonia-free formula is infused with silk proteins that penetrate every strand to leave your hair looking silky healthy and in better condition than before you colored. UV defense helps keep your color vibrant and dimensional while the permanent formula provides 100% gray coverage. Revlon calculations based on Nielsen ScanTrack unit sales data for U.S. Hair color category last 52 weeks ending 10/29/16 across xAOC.