Electrolysis is the only method approved by the FDA that can be called permanent hair removal.
Laser hair removal doesn’t destroy the papilla (the supply of blood to the hair follicle) it only damages it. Laser is a faster method which takes approximately ½ hour to clear a full male face. It will take multiple clearings to finish. Hair can start to return in as little as 6 months. While it’s not permanent hair removal, not all the hairs will grow back.
Electrolysis will also take multiple clearings to remove all hairs. It takes approximately 200 hours to clear a full male face. Once this is done, it is permanently cleared.
NOTE: There are many follicles that have never produced hairs, after your hair removal these follicles can be activated if there is a hormone imbalance in the body (too much testosterone)