Researchers from the Georgia Institute of Technology have found a way to use microneedle technology to create self-applied tattoos that don’t cause any pain at all. Microneedles are small enough to inject drugs or medications into the dermis layer of the skin without someone actually feeling them piercing their epidermis. When the patch is applied, pressed into the skin, and left for a few minutes, the ink dissolves and remains in the skin once it is removed, leaving a recognizable image behind, but without any swelling or bleeding.Read Long Article
