Hidden hair tattoos are the 2016 update on undercuts (think Cara Delevingne) and you’ll find them at the nape of the neck. Instead of transferring a colourful temporary tattoo under there, patterns are actually shaved into the hair and it looks way cool.
These designs were made for top knots and contoured necks.
Here’s the proof:
When they grow out though... EEK!
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