11+ Natural Indigo Dye Process US. Indigo powder is produced by grinding the leaves of the indigo plant, which means that indigo powder is completely natural. If you have a chemistry student in the family, and they know.
Only the chemical precursor of indigo is present and you need to process the leaves to produce the indigo powder.
If planning to overdye with indigo, we generally do indigo last as indigo can be stripped out by other processes. Its disadvantages are poor lightfastness and. Literally soaked into the fabric of japan's cultural although it is an ancient method, the process of aizome, or indigo dyeing, continues to have a deep influence and importance on fashion even today. Www.dyeworks.co.ukthe king of blues and until the early 20 century the only blue, but still the only natural blue that will withstand any considerable amount of time.