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The trend for hair tattoos has evolved since Kylie Jenner sported a festival-worthy metallic temporary transfer.
The latest incarnation of the look lasts a little longer, but can still be concealed for work meetings if your boss is of the disapproving type.
A quick search on Instagram for #hairtattoos reveals an increasing number of people are opting for this style with a design shaved into an undercut, which can be hidden when you wear you're hair down.
Here's Canadian hairdresser Theodroa Raptis demonstrating how it's done.
Scroll down for plenty of inspo to show your hairdresser:
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(H/T: Cosmopolitan)