Additional Details ------------------------------ Short product description: ColorSilk Beautiful Color? is the #1 brand in the USA*. The ammonia-free hair color delivers 100% gray coverage. Achieve rich, long lasting hair color and a radiant shine at home. Revlon?s 3D Color Gel Technology? delivers natural looking, multi-tonal color from root to tip providing definition and boosting your hair?s dimension. Hair is left feeling silky, shiny and healthy, and in better condition than before coloration. Revlon's calculations based on Nielsen ScanTrack unit sales data for U.S. Hair color category last 52 weeks ending 6/29/2019 across xAOC and Nielsen U.S. panel data FY 2018. Directions: ['1. Start by conducting a strand test to check the product suitability. 2. Mix the color cream and developer evenly in the applicator bottle. 3. Apply the mixture to dry and unwashed hair, beginning at the roots and working towards the ends. 4. Leave the mixture on for 25 minutes. 5. Rinse thoroughly until water runs clear. 6. Apply the conditioner provided and leave it on for 2 minutes before rinsing.']