There are many truly comprehensive on-line libraries of information about piercing. Rather than repeat already provided text, we provide these links to sites that we feel will offer you the most in-depth definitions of various piercings, products, and issues.
The APP is a nonprofit international organization committed to the promotion and advancement of piercing safety and hygiene. A variety of information, including aftercare guideline translations, are available on the website.
The Piercing Bible –The Definitive Guide to Safe Body Piercing.
The only comprehensive reference book about safe body piercing with information for everyone with an interest in the subject.