Indigo, an ancient dye, may have originated in the Peruvian Andes, according to new research. Earliest use found 6200 years ago.
6,000-year-old fabric reveals Peruvians were dyeing textiles with indigo long before Egyptians - Los Angeles Times
Ancestral indigo cultivation and dying in the Rift Valley
The World of Indigo – Schacht Spindle Company
In a rural corner of Japan, there are a group of people who work together under the name BUAISOU who are completely dedicated to indigo. BUAISOU is
Indigo-dyed fabric - 100% cotton
Early pre-Hispanic use of indigo blue in Peru
The World's Earliest Known Use of Indigo Dye Found in Peru
Our Story – Aya Eco Fashion EU
Ancestral indigo cultivation and dying in the Rift Valley
The World's Earliest Known Use of Indigo Dye Found in Peru
The Super-Ancient Origins of Your Blue Jeans
Ancestral indigo cultivation and dying in the Rift Valley
Indigo Dye: A Shared Language in the Global South
Indigo-dyed fabric - 100% cotton
Oldest Traces of Indigo Blue Found in Peru - KURIOUS
From remote Laos to haute couture: A journey of indigo dye - CNA