They’ve created a liquid ink that can be sprayed directly onto a person’s scalp, forming an ultra-thin electronic tattoo.

The scalp camouflage needle is similar to that of a tattoo needle. It's this three-prong that creates the perfect size of a hair follicle. Unlike tattooing, this one will eventually fade over time ...

But if you’ve already lost some hair and want to make your scalp look less sparse or patchy, these tattoos — when done well — can look just like hair and help restore your self-esteem.

A NEW semi-permanent tattoo service is offering to put the appearance of hair back on the heads of bald men. Its official name is scalp micropigmentation (SMP) but it’s sometimes, for obvious reasons, ...

The ink formula can also be modified to create tattoo lines onto the scalp, meaning that the wires that connect the e-tattoos to a monitor are much shorter than they would be in a regular EEG test.