Laser Safety

Lasers used for hair removal are safe to use when specific guidelines are followed. These are Class IV laser devices as classified by the Center for Devices and Radiological Health. Laser operators should all be familiar with the American National Standard for the Safe Use of Lasers in Healthcare Facilities (ANSI Z-136.3) and the American National Standard for the Safe Use of Lasers (ANSI Z136.1). Federal and State Occupational Safety and Health Administration (OSHA) and Joint Commission on Accreditation of Healthcare Organizations (JCAHO) use these standards as guidelines for inspections and audits.

Class IV lasers are extremely powerful and all precautions must be taken to prevent unintentional exposure to the skin or eyes of direct or indirect reflected laser light. The wavelength for lasers used in hair removal can pass through glass or windows and can be reflected off metallic surfaces. Even though some of the lasers may use invisible light, it can cause permanent damage. Protective eyewear appropriate for each piece of machinery must be worn by both the operator and the patient. Even with protective eyewear, it is advisable never to look directly into the hand piece, laser beam, or scattered light from reflective surfaces. It is now standard of care to avoid laser treatments around the eye, including eyebrows. Treatment room doors should remain closed during treatments to prevent accidental exposure. Treatment room windows and portholes should be covered with material of sufficient optical density to prevent laser light from escaping. Reflective objects, such as mirrors, should be removed from the treatment room. Warning signs should be posted in prominent locations.

Electrical and fire hazards also exist. The exterior housing of a laser should never be removed, except by an authorized service representative. Extremely high voltages can cause fatal shock. It is possible for the high voltage components to retain charge even after the laser has been turned off. Oxygen and flammable substances should not used. This includes alcohol, acetone and flammable anesthetics.

The most important information for a consumer is to choose an experienced physician with extensive laser training and safety. Patients must always remember to wear the appropriate eyewear provided to them and never take it off during treatment.