This week, we’re diving into our archive of denim knowledge.

Learn About Natural and Synthetic Indigo and the Differences Between Rope Dyeing and Slasher Dyeing

Indigo is the blue in blue jeans. The dyestuff has been popular around the world for several millennia. It’s been the colour of royals, which made it desirable to the proletariat. It’s one of the most colourfast natural dyes. And it remains beautiful as it fades to a myriad of bright, blue hues.

While most other colours become dull with wash and wear, this is when indigo truly comes to life. This is without a doubt the most important reason why we continue to wear indigo-dyed garments today. With denim jeans being the most popular indigo-dyed garment, my five-episode series about how denim is made naturally discusses indigo dyeing.

Read the in-depth blog post about indigo dyeing here!


Thomas is the founder of Denimhunters. As a marketing professional who has specialised in denim, he consults for the industry. Anyone who knows him will tell you he's a perfectionist and a die-hard denim fanatic.

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