Medical ear piercing is a safe, clean, and comfortable option performed by a medical professional. This system was developed in Sweden.  All of Blomdahl products and methods are designed to safely avoid the spreading of infection and exposure to nickel allergy. The cartridge used to pierce the ear is sterile and disposable.  Blomdahl products are specially designed to facilitate healing. Blomdahl's medical grade  plastic is the only ear piercing in the world with 0% nickel!