Laser Hair Removal.A laser produces a beam of highly concentrated light. The light emitted is well absorbed by the pigment located in hair follicles.
Moreover, normal hair goes through a growth cycle in three stages: the anagen, or growing phase; the telogen, or resting phase; and the catagen, or transitional phase. During the anagen phase, hair is susceptible to the laser’s energy, but during the telogen and catagen phases, it is resistant.
At any one time, various percentages of body hair will be in each of these phases, making complete removal unlikely without multiple sessions.
Typically five or six treatments are necessary to achieve the desired result.