If revealing your piercings during travel is unacceptable, wear nonmetallic jewelry. Quality metal body jewelry is non-ferromagnetic and will not set off the large walk-through metal detectors. ... You can still wear your metal piercing jewelry when you travel, and the TSA will not ask you to remove them.
No. If magnets don’t stick to your nipples the airport security alarms will not get set off. I have multiple titanium piercings and have been through TSA many times.
