Mayamy Brow Henna 4 color pack is 97% natural henna that is lead and ammonia free. It includes 4 popular shades (light brown, classic brown, dark brown, black) that can be mixed to create a broad range of colors. Each capsule can be used for 2-3 procedures and has a shelf life of 3 years. This economic procedure stays on the skin for 1-2 weeks and on the hair for 4-7 weeks. Package includes easy to read instructions, measure and mix cup, mineral aqua for mixing, and micro brushes for application.