Soot tattoos are carbon stains made by inserting soot into the dermis layer of the skin via a drug injection.
A drug user may try to sterilize the tip of a needle with a flame, leaving a small amount of soot on the outside of the needle.
[1] An injection can carry this residual carbon into the skin, leaving a mark known as a soot tattoo.
[2] Soot tattoos are an accidental cutaneous condition.
This cutaneous condition article is a stub.