Methylene blue
Image: Wikimedia Commons

Methylene blue

Blue dye also used as a medication

From Wikipedia, licensed CC BY-SA 4.0.

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★ 4.0 average from 1 person · 1 entry

puppydeicide11/5/2026

I LOVE this stuff. It's a medicine and also a dye. That's so cool I think. Like it's a medicine it's very useful for treating certain problems and also it's really blue so you can dye stuff with it. That's awesome

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