This is what the entry from the Zecchi site looks like to help in ordering: “ (INDACO BACCADEO) - TRUE INDIAN INDIGO - (Vegetal blue extract from Indigofera Tinctoria) .” Here is our best guess at the equivalent in Italian. This is from the Italian portion of the site: “ (INDACO BACCADEO) - INDACO INDIANO - (Estratto blu vegetale da Indigofera Tinctoria).”