Specifically, women who are pregnant should not have laser hair removal. Although there is no important information concerning the use of laser and pregnancy, many doctors and health care providers do not recommend laser treatments. This is to avoid any unknown effects on the child in the womb. 

If you are someone who has herpes simplex virus I or II, before undergoing any laser hair treatment you should inform the doctor who will be preforming the laser hair removal about your condition prior to the procedure. It is necessary to take a prescription antiviral medication for several days before and after treatment. If hair removal is in the area of previous episodes, it is possible that heat from the laser causes an outbreak of herpes virus. If an outbreak is active, either on the face or genitals, it is important to reschedule the laser hair removal treatment. An appointment should be postponed or rescheduled in case of power cut, broken, inflamed or irritated skin in the area that must be treated. If an active infection is present in any part of the body, there ia a need for rescheduling of the treatment.

People with albinism, the absence of color pigment in the hair or skin,  must not seek laser hair removal tretament. Because the laser light is dark pigmentation, the treatment will not work on anyone withalbinism. The same goes for those with little blonde, red, gray or white hair.

If you’ve just burned yourself under the sun, or recently tanned, you can delay your treatment until your  skin has returned to its normal color which could take several weeks. Skin must be in its natural color when laser hair removal should take place.

Medications, both oral and topical can cause photosensitivity reactions photoallergic or if used before laser hair removal treatments take place. If you are taking accutane, it should be discontinued three months before the start of treatment. Retin A and tetracycline should be stopped six weeks prior to laser hair removal process.

Those who suffer from lupus, diabetes or epilepsy, should not have laser hair removal. Disorders related to the nervous system that are present, must be assessed before starting the laser treatment. If hirsutism is present, the cause should be diagnosed and treated before any laser treatment is started.

Moles in the treatment areacan be removed before treatment. The dark pigmentation of the mole may attract a lot of heat from the laser and cause burns. 

For many people with history of keloid scars,there is a higher risk of scarring of these treatments.

The importance of knowing the contraindications of laser hair removal will make the procedure a pleasant experience.