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What is Hair Growth Cycle?

One crucial aspect of the laser hair removal process is understanding the hair growth stages and how they influence the effectiveness of the treatment. In this blog post, we'll delve into the intricacies of the hair growth cycle and explore how laser hair removal targets hair at different stages for optimal results.

Anagen (Active Growth) Phase:

  • This is the ideal stage for laser hair removal. During the anagen phase, the hair follicle is actively producing hair, and the melanin concentration (pigment responsible for hair color) is at its highest.
  • Laser hair removal works by targeting the melanin in the hair follicle, absorbing the laser energy and converting it into heat. This heat damages the follicle, inhibiting future hair growth.
  • Since the hair is actively growing during the anagen phase, there is a higher chance that the laser energy will be effectively absorbed.

Catagen (Transitional) Phase:

  • This is a brief transitional phase where the hair follicle starts to detach from the blood supply and begins to shrink.
  • Laser hair removal is less effective during the catagen phase as the hair is not actively growing, and the follicle is not as responsive to the laser energy.

Telogen (Resting) Phase:

  • In this phase, the hair follicle is at rest, and no active hair growth occurs.
  • Laser hair removal is least effective during the telogen phase as there is minimal melanin in the hair follicle for the laser to target.

How Laser Hair Removal Targets Hair at Different Stages

Laser hair removal devices are designed to target hair in the anagen phase effectively. Since not all hair is in this active growth stage simultaneously, multiple sessions are required to catch different follicles in the anagen phase.

Timing of Sessions:

  • To achieve optimal results, laser hair removal sessions are scheduled at intervals. This allows for the treatment to target hair in various stages of the growth cycle.
  • The number of sessions needed varies depending on factors such as the treatment area, hair color, and individual responsiveness to the laser.
Individual Variations:
  • It's important to note that individual variations exist in hair growth patterns. Factors such as genetics, hormones, and age can influence the duration and intensity of each growth phase.

Understanding the hair growth stages is crucial for those considering laser hair removal. While the procedure is most effective during the anagen phase, the success of the treatment depends on targeting hair in different stages of the growth cycle. By working with trained professionals at Satori and adhering to a recommended treatment schedule, individuals can achieve the desired long-term reduction in hair growth and enjoy smoother, hair-free skin.