Glow-In-The-Dark Hair Is The Brightest New Beauty Trend

If the hair colour trends in 2015 weren't bright enough for you, then this one might do the trick.

Introducing, glow in the dark hair dye.

With this special type of dye, not only do locks look neon in normal lighting - but shine a blacklight on them and they'll start to glow brighter than Ross' teeth in that episode of Friends.

Check out our favourite looks on Instagram below:

A photo posted by @letyourhairflow on

A photo posted by Megan McKay (@rainbowmegz) on

A photo posted by Alx Nixon (@alxdoeshair) on

A photo posted by Megan McKay (@rainbowmegz) on

Katie Holmes

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