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Laser Acne Removal – Truth about the Pulsed-Dye Laser Treatment

Updated on August 21, 2011

Why laser can be used to remove acne?

The basic principle of modern laser acne removal technology is very simple: the original cause of skin inflammation is Propionibacterium acnes, a type of bacteria that is anaerobic, in the normal course of its metabolism, Propionibacterium acnes can produce endogenous porphyrins, which is a major cause of skin inflammation and acnes. High-energy pulsed laser beam can penetrate the epidermis without posing any damages, and be selectively absorbed by porphyrin, thus efficiently killing Propionibacterium acnes and getting rid of acne effectively. What’s more, in the killing of some bacteria, laser treatment of acne can also, at the same time, activate some of the capillary blood vessels under the skin, stimulating blood circulation and promoting the immune system, producing a number of antimicrobial substances that can effectively inhibit bacterial growth in the skin. Meanwhile, the stimulation of the laser beam can also help the skin collagen grow, and facilitate the quick recovery of damaged skin parts and elimination of acne scars. 

New research shows that laser acne treatment can reduce the secretion of sebaceous glands, while at the same time, help to remove and clean blackheads in the hair follicles. And this treatment can also help to reduce the sebum secretion in the face and make the facial skin smoother and healthier. Furthermore, laser acne removal is also very effective in removing the acne scar redness, therefore, it can reduce the formation of acne scars to a great extent. On the whole, the laser acne removal is a highly effective treatment for acne, it requires less treatment time than other traditional methods, it can be done in a very short period of time, and can improve skin texture and reduce acne scarring without leading to any drug fastness.

What’s the principle of pulsed dye laser acne treatment?

In order to improve the efficacy of acne treatments, numerous acne removal methods have been invented, like new therapeutic drugs, different combinations of oral and topical therapy, the use of pulsed dye laser to remove acne is a newly emerged technology that is gaining popularity recently around the world. In 2003 the FDA approved the use of the dye laser to treat acne. Clinical experience has also shown that, pulsed dye laser acne treatment, combined with oral therapy can be a rapid and effective treatment of inflammatory acne, thus greatly reducing the treatment period than traditional methods.

In fact, acne not only has impact on young people, it also affects a large number of adults. Whenever they are under a lot of work pressures, or staying up late, or during menstrual period, the acne appears all over the face. For people who are busy and don’t have enough time to take care of their skin conditions, the dye laser is a good choice for the treatment of inflammatory acne because it has rapid efficacy.

In the inflamed acne lesions, there are many over production of Propionibacterium acnes, the bacteria is one of the four major pathogenesis of acne. Propionibacterium acnes can also combine with the sebum secreted from the sebaceous glands, producing free fatty acids in chemical reaction, and free fatty acids is the main culprit that can lead to repeated skin inflammation in the acne. What’s more, Propionibacterium acnes can produce Porphyria in during its metabolism process, the pulse dye laser has yellow light with wavelength of 585 nm, which can make electrons in pairs in the rhodopsin into single electron, and this will produce oxygen free radicals, which attack acne bacteria cell membrane, leading to the death of acne bacteria, and indirectly reducing inflammation in the skin. The above process is the basic principle of pulsed dye laser treatment of acne.

In many cases, people who had acnes are likely to have acne scars after the inflammation has disappeared, these acne scars are no longer inflamed, but they make the facial skin uneven with lots of red acne scars, these red acne scars usually take 1 to 2 years to fully disappear, in severe cases, according to some studies, the acne scars can last for more than a decade. The main reason why people are having red acne scars after acne is due to the ongoing expansion of capillary blood vessels during acne inflammation.

In the treatment of acne scars, pulsed dye laser has been proved to be able to significantly shorten the recovery time. This is because the yellow light dye laser with wavelength of 585 nm will produce energy that can be absorbed by the oxygen-hemoglobin, which exist in the blood vessels in a large amount, the energy can then reach the blood vessel wall through heat conduction mechanism, to destroy those abnormal growth of blood vessels in the inflammatory skin area. The pulse dye laser treatment can achieve very good results after three to five times of treatments, and the red acne scars are expected to disappear in about three to six months.

Who are not suitable for laser acne removal?

Although laser acne removal has been proved to be a very effective way to reduce both inflammatory acnes and acne scars arising there from, the treatment is not without contraindications. Some people may not be suitable for a laser acne removal due to their health conditions, you can find some of the people thought to be unsuitable for such a treatment:

  • Women in their pregnancy are not allowed to take laser acne removal because the energy of pulsed laser beam may pose harms to the fetus.
  • People who are using photosensitive drugs are not suitable for laser treatment of acne, because these photosensitive drugs may produce unwanted interaction with the laser beams.
  • Laser acne treatment is not suitable for people with diabetes.
  • Laser acne treatment is not suitable for people with epilepsy.
  • People who are more likely to have physical scars than normal person should stay away from laser acne removal, because the laser beams may lead to scars on their body.
  • If you decided to have laser acne treatment, but still have some doubts about the whole procedure, it is recommended that you should go to a hospital or medical institution to make formal consultations. Usually, the doctors will give you more detailed advices to help you achieve best results in the process.


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