Tattooing is illegal unless it is done for medical purposes.

9.08.090 Tattooing prohibited.

No person shall conduct any establishment where tattooing is practiced nor engage in the practice of tattooing; provided, however, that tattooing may be performed for medical purposes by a person licensed to practice medicine or osteopathy in the state. The word “tattooing” as used herein means the marking of the skin of a person by insertion of permanent colors through puncture of the skin.