Human branding is the process in which a mark, usually a symbol or ornamental pattern, is burned into the skin of a living person, with the intention that the resulting scar makes it permanent. This is performed using a hot or cold iron. It therefore uses the physical techniques of livestock......

Scarifying involves scratching, etching, or some sort of superficial cutting or incision. Scarification, in botany, involves cutting the seed coat using abrasion, thermal stress, or chemicals to encourage germination. In alternative contexts scarification may refer to the cutting of concrete......

In body modification, an implant is a device placed under the human skin for decorative purposes. Such implants may be subdermal or transdermal. In the context of body modification, some may consider injections of silicone and other substances a type of implant as well. Some types of......