sixpenceee:

Changing Hair Dye That Reacts To Your Surroundings

This is the
world’s first colour-changing hair dye

called FIRE.
The dye changes colour depending on the temperature of the surroundings. It is available in multiple colour ranges from bright red to more subtle colours. The application of the dye is said to be semi-permanent, lasting over a few washes.

Via Bored Panda

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