In areas of the scalp where the hair is thinning, a hair tattoo can make it look thicker and more dense. Sometimes, SMP is used only to make hair in a specific part of the scalp appear denser.

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, ...