Kuro Sumi Greywash tattoo ink is a must have for artists sick of dipping. The Greywash ink will provide you with a consistent and reliable colour so that you don’t need to worry about how light or dark your tattoo a tattoo will heal. Kuro Sumi are industry leaders in quality tattoo inks and these are used by thousands of tattoo artists around the world. Kuro Sumi ink is named after the famous ancient Yayoi Kuro Sumi Tangnuni Warrior of Japan. These warriors were an elite force in Japanese history and are still honoured today. The warriors were recognised by their bold markings located under their jaw line and on their abdominal area.