Depending on what region of the face is receiving treatment, the facial jewelery will need to be removed.If your mouth or nose are to be involved in the treatment, It would be best to remove the personal effects prior to the procedure.If these areas are involved in your treatment the reflection of lasers off of the metal surfaces may cause damage to your skin. A thorough consultation to address your personal needs would be necessary to determine what treatment would work best for you.
All metals should be removed before laser treatment of any kind since the laser light by be reflected from the metal surface and cause damages that might be irreparable.