YAMATO INDIGO (Original blended indigo powder)

Summary
Yamato indigo is an original blended indigo powder invented by Kentaro Arai from Aikuma Japanese dyes in 1989. It is a mixture of natural indigo, other indigo, an alkaline agent, and a reducing agent so that beginners or children can easily enjoy indigo dyeing. 
Therefore, a lot of Japanese kindergarden or elementary schools use Yamato Indigo for art education.

Why it is good for beginners?
・You can dye with only water and vinegar.
・You don't need any other agents
・Without hot water, you can prepare indigo dyeing.