Using Sunlight to Turn Jeans Blue Can Boost Environmental Health

Using Sunlight to Turn Jeans Blue Can Boost Environmental Health

Light from the sun or lightbulbs has a reaction on a compound called indican. That is why it can dye denim cloth. Researchers discovered that this compound can develop the well-known blue color of denim through sun exposure. These are now called green blue jeans. The process can reduce the use of harsh chemicals in dying denim.

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