Sanotint Blue Black No 17 is a natural hair color treatment that provides complete gray coverage with a distinctive blue-black shade. The formula contains golden millet extract and natural vegetable extracts for hair protection and nourishment during the coloring process. The package typically includes a color cream tube, developing solution, revitalizing balm, protective gloves, and instruction manual. The product is formulated without ammonia and other harsh chemicals. For best results, a skin patch test is recommended before use. The color processing time is approximately 30 minutes and the product can cover 100% of gray hair while providing a natural-looking finish.