Naturally adds color, shine, body and manageability, "Nature"s Way to Cover Gray®" * Safe, Natural, Cruelty Free and Made with Organic Ingredients. * Color lasts 4 - 8 weeks before beginning to fade naturally. You may re-apply as often as needed, when new root growth is visible, or as it begins to fade. * Easy to use, just add water, mix & apply. (product cannot lighten dark hair) * FREE application kit includes gloves, cap and instructions.