Ardell N Rage Hair ColorColor: Crimson RedNRAGE semi-permanent colors are easy and fast to use. The results last 3-6 weeks depending on the way the hear is treated and the products that are used.Fow to use: Shake well before use. Apply the color directly to dry and clean hair. Do not allow the product to come in contact with the skin. After application, comb through hair to distribute evenly. Leave it for 15 minutes on light hair and 30 minutes on dark hair. Rinse with cold water. For best results, bleach the hair before application.Ardell N Rage Hair Color