Gray hair dye made only from ingredients without odors. There is no odor and comfortable to use. There is no bad smell coming from your eyes and nose, and there is no smell in your room, so you can dye it comfortably. When mixed cream is applied to the scalp or skin, a reaction odor may be generated. The dye penetrates into the hair efficiently and dyes it cleanly. Leaving time: 15 minutes. The color is Dark Brown.