Why isn’t our hair naturally blue?

collections: Animals, Nature, Human body
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Posted 30 April 2017
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Duration of the video: 3 Min. 13 sec.
Description
Have you ever dyed your hair toxic colours? Maybe you have thought of why other people do this? Or you keep asking yourself why such colours look unnaturally on a person's head? This video will help you learn where animals get blue colour from, and why a human cannot have naturally blue hair.
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