Kuro Sumi Imperial

Klein Blue

Kuro Sumi was originally formulated in Japan. The new Imperial range is fully compliant with EU REACH regulations, ensuring the best raw materials and manufacturing process. The result is a flawless, vibrant ink.

All ingredients and materials used during the manufacture of Kuro Sumi Imperial are monitored through continuous product, purity and quality testing on individual ingredients, as well as in vitro testing on finished products.
During our process, we test more than 4,000 substances to ensure the elimination of the following impurities: heavy metals, amines and PAHS.