New Hair Dye Changes Color Depending on Temperature Around You

People who dye their hair are usually looking for a change. Some of those changes can be dramatic. There’s about to be a new option, though, that is going to take the drama to a whole new level: hair dye that changes color like a mood ring.

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A UK firm debuted their new product at London’s Fashion Week. The concept is simple. Dye your hair with the new solution. When the temperature drops or heats up, your hair will change from one color to another.

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Most of the options that they’re working on will be dramatic shifts between two opposite ends of the color spectrum–from a dark hue to a lighter one. Color snobs might also note that the value changes, too.

Black to red. Black to white. Silver to blue. Blue to white. Black to yellow.

The new dye is called Fire, and it is being created by a firm called The Unseen. They’ve developed a mix of thermochromic ink that isn’t toxic. It reportedly washes out easily and isn’t permanent.

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The new dye has caught the attention of those in the fashion industry, and those in the tech sector.  “The data used to create the dye stems from the process of thermoregulation in the human skin and the color change chemical reaction occurs in response to a certain stimuli – in this case, changes in the environment,” writes Wired.

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The science is what’s capturing some fans of the technology. The dye reacts to temperature. “One of the molecule‘s forms is more stable than the other, and so a reaction takes place producing a molecule with a slightly different absorption of light, and thus a different color,” explained a company spokesman.

In keeping with stereotypical color symbolism, the blue to white dye shits at 59°F. The Red to black has a more summery feel, and reacts at a higher temperature (88°F).

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The company is currently looking for a partner to bring the dye to market, and they’re working on a permanent version that is longer lasting.

Keep two things in mind when looking at the video of the changes. The first is that time is being manipulated. The color change happens gradually. The second thing would be that this is a concept in its infancy, and it is already stunningly impressive.