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The Ultimate Guide On Laser Hair Removal

by Ethan
October 15, 2022
in Health
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The Ultimate Guide On Laser Hair Removal
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Laser hair removal is a medical treatment that removes unwanted hair using a focused beam of light (laser).

A laser emits light captured by the pigment (melanin) in the hair during laser hair removal. The light energy is transformed into heat, which damages the hair-producing tube-shaped sacs within the skin (hair follicles). This damage limits or delays hair growth in the future. Dermatologists need to buy diode laser hair removal machine for this treatment.

Although laser hair removal significantly retards hair growth for extended periods, it does not typically result in permanent hair removal. Initial hair removal requires multiple laser hair removal sessions, and maintenance treatments may be necessary. Laser hair removal is most effective on individuals with light skin and dark hair, but it benefits all skin types.

The need for safe, long-lasting, and successful hair removal for aesthetic and medical purposes is increasing. Among the hair removal treatments are epilation by plucking or waxing, depilation by shaving, chemical depilatories, electrolysis, eflornithine cream, laser, and intense pulsed light (IPL) systems available.

Lasers and IPL devices are the greatest solution for long-term hair reduction and are readily available.

Table of Contents

  • Selective Photothermolysis
  • An Advanced Theory of Selective Photothermolysis
  • Post-Procedure Care After Laser Hair Removal

Selective Photothermolysis

The “selective photothermolysis” idea underpins the operation of lasers used in skin treatment. This phrase refers to damage caused to microscopic tissue targets in a site-specific manner and is mediated thermally.

This injury is caused by the absorption and scattering of radiation pulses by the tissue targets and the chromophores. Chromophores can be natural or artificial, and either type can absorb electromagnetic radiation of a particular wavelength or a broad spectrum of wavelengths.

Melanin is the chromophore that is utilized throughout the laser hair removal process. Because melanin can absorb light with wavelengths ranging from 300 to 1200 nanometers, lasers with wavelengths falling within this range are the most effective for hair loss.

An Advanced Theory of Selective Photothermolysis

There is no guarantee that target absorption will be uniform. In these situations, the parts with a low absorption rate might have to be destroyed by the heat diffusion that comes from the parts with a high absorption rate.

This is an “extended theory of selective photothermolysis,” as the phrase translates. The process of laser photoablation operates according to this concept.

The amount of melanin found in melanin-bearing structures such as the hair shaft and matrix cells is significantly higher than in hair follicles.

Melanin is responsible for the absorption of laser energy and the subsequent transfer of that energy to the surrounding follicular structures. This causes the breakdown of the hair matrix and the stem cells found in the hair bulge. CPMT offers an ND YAG laser machine for sale. Don’t forget to check it out!

Post-Procedure Care After Laser Hair Removal

  • Although most machines have built-in cooling systems, ice packs or other cooling agents may be utilized to reduce pain and edema after surgery.
  • In the event of accidental epidermal damage, topical antibiotics may be applied.
  • Sun protection and the use of sunscreens are mandatory.
  • To decrease erythema and swelling, topical steroid creams may be administered.

The hair matrix is just sensitive to laser removal during the anagen phase of the hair growth cycle; consequently, numerous treatments will be required to reach all hair follicles when they are most sensitive.

In the initial phase of hair removal treatment, a minimum of four to six sessions spaced four to six weeks apart are required to get satisfactory results. Patients may require maintenance treatments once every six to twelve months, as vellus hair may regrow.

Tags: Laser Hair Removal
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