Tattoo is a form of body modification, in which the design is to change the pigment by inserting indelible or temporary ink, dye and pigment into the dermis of the skin.

In the 18th century, the word tattow was borrowed from the Polynesian word tatau, meaning "write.". The etymology of tattoos in the OED is "tattaow, tattow in the 18th century. From Polynesian (Samoa, Tahiti, Tonga, etc.) tatau. In Marquesan, Tatu. " Before entering Polynesian, Westerners described tattooing as painting, scarring or staining.

Many tattoos serve as symbols of past rituals, status and hierarchy, religious and spiritual piety, heroic embellishments, sexual seduction and childbearing, vows of love, punishment, amulets and amulets, protection and exiles. Slaves and criminals. The symbolic meaning and influence of tattoos vary in different places and cultures. Tattoos may show a person's feelings about relatives (usually mothers / fathers or daughters / sons) or unrelated relatives

A medical tattoo is used to ensure that the device is placed correctly so that repeated radiation therapy and areola can be used for some form of breast reconstruction.

Although tattoos are considered permanent, they can sometimes be removed in whole or in part by laser therapy. Generally, black and some colored inks can be removed more thoroughly than other inks.