How many stages of hair growth are there, and what is one of them?

The correct response highlights that there are three distinct stages of hair growth: Anagen, Catagen, and Telogen. In the Anagen phase, hair is actively growing and is attached to the hair follicle, lasting for several years. The Catagen phase is a transitional stage where hair growth slows down, and the hair follicle shrinks; this phase usually lasts a few weeks. Finally, the Telogen phase is the resting phase, where the hair is shed to make way for new growth.

Understanding these stages is crucial for laser hair removal treatments, as the laser is most effective during the Anagen phase when the hair is in its growth cycle. Recognizing these stages aids practitioners in determining optimal treatment times and helps clients achieve the best results from their hair removal sessions.