All humans have three different stages of hair growth:
In laser hair removal treatment, the target of the laser is melanin, which can be found in hair follicles. Only in the Anagen phase hair follicles are dark and pigmented, which makes them ideal for laser hair removal. Gray or blond hair will not be removed by the laser because of a lack of pigment or melanin in their follicles.
Laser hair removal requires patience and commitment, as well as knowledge of the hair growth cycle. Once clients achieve great results, annual maintenance is recommended, based on the body area and the amount of hair left.