Hair growth has several phases, stages, and cycles. These phases include Anagen, Catalan, and Telogen. The Anagen phase is the active phase of hair growth where it grows in length. The Catagen phase is a transition phase where the follicle ...
The main concept in laser hair removal is called selective photothermolysis. A specific wavelength laser and pulse duration heat the hair follicles hence, causing damage. The laser does not affect the surrounding normal skin. Hair shafts have 2 types of ...