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What Kinds of Lasers Are There in Acne Treatment?

What Kinds of Lasers Are There in Acne Treatment?

There are several laser wavelengths that have been used in the treatment of acne, including:

  • Pulsed-dye laser (PDL): This laser uses a wavelength of 585-595 nm and is absorbed by the blood vessels in the skin. It is used to treat the redness and inflammation associated with acne.
  • Blue light: This laser uses a wavelength of 400-420 nm and is absorbed by the P. acnes bacteria. It is used to kill bacteria and reduce inflammation.
  • Infrared lasers: These lasers use wavelengths of 780-1400 nm and are absorbed by the water in the skin. They are used to stimulate collagen production and improve the overall appearance of the skin.
  • Fractional laser: This laser uses a wavelength of 10,600 nm and is absorbed by the water in the skin. It is used to create micro-injuries in the skin, which stimulate the production of collagen and improve the overall appearance of the skin.
  • Q-switch laser: This laser uses a wavelength of 1064 nm and is absorbed by the melanin in the skin. It is used to treat hyperpigmentation, including acne scars.
  • Long pulse laser: This laser uses a wavelength of 1064 nm and is absorbed by the water in the skin. It is used to stimulate collagen production and improve the overall appearance of the skin.
  • 755 nm Alexandride laser: This laser uses a wavelength of 755 nm and is absorbed by the melanin in the skin. It is used to treat hyperpigmentation, including acne scars.

In terms of the laser physics of each laser, they all work by emitting energy in the form of electromagnetic waves, which are absorbed by specific molecules in the skin. The absorbed energy is then converted into heat, which can be used to destroy unwanted tissue or stimulate the production of collagen.

The pathogenesis of acne involves the production of excess sebum (oil) by the sebaceous glands, which can lead to the blockage of hair follicles. This blockage can cause the growth of P. acnes bacteria, which can lead to inflammation and the formation of pimples, whiteheads, blackheads, and cysts.

There are various treatment options for acne, including over-the-counter and prescription medications, as well as lifestyle changes and home remedies. Common medications used to treat acne include topical retinoids, benzoyl peroxide, and antibiotics. These medications work by reducing inflammation, killing bacteria, and unclogging pores. Laser treatments are also used to treat acne, and the specific laser used will depend on the type and severity of the acne, as well as the individual’s skin type and medical history. It is always best to speak with an aesthetic doctor, dermatologist or healthcare provider to determine the most appropriate treatment plan for your specific needs.

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