Wella Koleston Supreme Hair Color 3/0 Dark Brown offers salon-quality, long-lasting color with 100% gray coverage. Infused with Plex Oil Care Technology, it enhances hair moisture and shine while protecting against damage. Ideal for at-home use, it includes a luxurious cream formula and Color Revitalizer Cream for vibrant results. Key Features 100% intense, moisturized & luminous color Anti-damage technology for intense care Luxurious oil color cream with floral scent Long-lasting color with Color Revitalizer Cream Plex Oil Care Technology for hair repair Key Components: Hair Dye (Contains Ammonia, Resorcinol, Phenylenediamines, or derivatives); Developer (Contains Hydrogen Peroxide); Conditioning Sachet.Wella: Innovators in professional hair color and care, known for advanced technology and vibrant results.Mix With Oxidant And Apply On Dry, Unwashed Hair. Process For 30-40 Minutes, Then Rinse Thoroughly.Hair Colorant Warnings: Must perform a patch allergy test 48 hours before use. Severe allergic reactions possible. Contains Ammonia and Hydrogen Peroxide.