The correct answer is the fact that hair grows in cycles. Human hair goes through a dormant phase and a growth phase during a typical cycle. If only one session was used to remove unwanted hair, the dormant hair would not be visible during treatment and would grow back at a later time. Multiple hair laser removal sessions assures that all the hair is removed.
The correct answer is blonde. Studies have shown that, although complete hair re-growth after laser hair removal is rare, patients with blonde or white hair most often have complete re-growth. The main reason for this is because lighter hair contains less pigment which is what absorbs the laser light.
The correct answer is the back. This is mainly because of the relatively large area involved in the laser treatment. Other high cost large area treatments involve the upper and lower legs. The face and neck are more sensitive and complex, which increases the cost to remove hair as well. Underarms contain the smallest area and costs the least for laser hair removal.
The correct answer is actually inflammation that causes the hair to go into the resting phase. Many people think that the hair follicle is actually destroyed by the laser so that it cannot grow hair anymore. However, any type of destruction to the hair follicle or blood vessels supplying it would most likely lead to a much more unsightly area on the skin and probably an infection or scarring.
The correct answer is actually the melanin pigment of the skin. The laser is designed to be absorbed by the darker color of the pigment of the skin. Targeting blood vessels or the hair follicle directly with a laser could cause damage, infection or permanent scarring.
The correct answer is a numbing cream is applied to the area. Pain relievers like aspirin help to reduce inflammation and the pain associated with it. They will do nothing to reduce the discomfort of laser hair removal. In fact, they could act to reduce the effects of the treatment as inflammation is a vital part of the procedure. A patient would never be put under anesthesia during laser hair treatment.
The correct answer is around the eye. The eye is very sensitive to light and the skin around it is very thin. Because of this, damage can occur to the eye from the intense light and heat of the laser. The skin around the ears, nose and on the hands is thicker and can almost always be treated without any problems as long as care is taken to avoid the softer tissues.
The correct answer is beam curvature. Actually this is the only incorrect answer as there is no setting for the curvature of the laser beam. The laser is actually light and it does not bend. The energy level, spot size and pulse width are all important adjustments to consider when performing proper laser hair removal.
The correct answer is two months. The space between the initial set of laser hair treatments is usually close to two months. However, it can vary from one to as much as three months. Although there was no standard waiting time, three to 12 weeks is the normal range to wait in between sessions. The reason for this wait is to allow dormant hair is to start growing so they can be seen and removed.
The correct answer is removing ingrown hairs or shaving bumps. Ingrown hairs can be very unsightly and even lead to pimples, boils or infections. The same principle is used as removing normal hairs. One temporary side effect of hair laser treatment is lightening of the skin. However, in this case it would be blotchy and only temporary. Bleaching is normally use to lighten the skin. Wrinkles are removed with a different type of laser treatment.