What is indigo? Denim FAQ answered by Denimhunters

Indigo is the colour that makes blue jeans blue. It can be either natural or synthetic, and denim can be dyed with indigo only or indigo mixed with sulfur.

What is dyeing? Denim FAQ answered by Denimhunters

INDIGO DYE IN DENIM INDUSTRY

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Indigo, Indigo Denim Dye

Indigo, Indigo Denim Dye

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