Wella Koleston Supreme Hair Color 5/0 Light Brown offers intense color and conditioning with Plex oil care technology. Achieve salon-quality results at home with 100% gray coverage and deep conditioning. Ideal for revitalizing dull hair and complete hair transformation. Key Features Gray coverage Intense color Deep conditioning Plex oil care technology Luxurious color Flawless coverage Repair and shine Color activating cream Key Components: Hair Dye (Contains Ammonia, Resorcinol, Phenylenediamines, or derivatives); Developer (Contains Hydrogen Peroxide); Conditioning Sachet (contains oils, silicones).Wella: Innovators in hair color technology, offering salon-quality results at home.Apply The Cream Evenly On Hair, Leave For 30 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.