Revlon Colorsilk Beautiful Color Permanent Hair Color with 3D Gel Technology & Keratin, 100% Gray Coverage Hair Dye, 41 Medium Brown, 4.4 oz About this itemLong-lasting, high-definition colorRevlon 3D Color Gel Technology delivers natural-looking, rich, multi-tonal color from root to tipEnriched with UV Defense to help keep color vibrant and dimensionalAmmonia-free formula infused with no..