Association of Professional Piercers (APP) Jewelry Standards
The revised minimum standard for jewelry for initial piercing is as follows:
1. Any and all materials that meet ASTM and/or ISO standards for implantation.
Examples of these include, but are not limited to:
g. Any polymer or plastic material that is ISO 10993-6, 10993-10 and/or 10993-11 compliant and/or meets the United States Pharmacopeia (USP) Class VI material classification.
2. Solid 14 karat or higher yellow, white, or rose gold that is nickel and cadmium free.
3. Solid unalloyed or alloyed platinum that is cadmium, nickel, and lead free.
4. Unalloyed Niobium (Nb) that is ASTM B392 compliant. This includes but is not limited to:
5. Glass that is lead free. This includes, but is not limited to:
6. All threaded or press-fit jewelry must have internal tapping (no threads on exterior of posts and barbells).
7. For body jewelry purposes, surfaces and ends must be smooth and free of nicks, scratches, burrs, stamps, hallmarks, polishing compounds, and other potentially harmful residues.
8. Metals must have a consistent mirror finish on surfaces that frequently come in contact with tissue.