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The high-energy lights are the most effective treatments to remove or reshape skin areas affected by scar tissue.

Each type of scar requires the use of a different laser:

  • On one hand, hypertrophic scars and keloids, which are elevated and reddened, respond very well to treatment with vascular lasers.
  • On the other hand, atrophic and whitish scars are best treated with ablative lasers to redefine the structure of the skin and promote collagen generation.


Hypertrophic scars or keloids have a reddish color by its superabundant vascular component. Therefore, these scars are treated with vascular lasers.

The treatment involves applying a laser or a light pulse passing through affected skin that converts into heat to be absorbed by the hemoglobin of the vessels that perpetuate the scar. Heat clogs the vessels and facilitates their disposal.

This type of treatment, known as selective photothermolysis, progressively reduces the size of scars and reduces itching or other discomfort from the first session without damaging the surrounding tissues.

The number of sessions depends on the caliber of the vessels and the depth at which they are situated, but the results will be seen after the first session: a couple of days later, the scar begins to shrink gradually and steadily.

The treatment is not painful, but if the patient feels discomfort, topical anesthesia can be used.

Atrophic scars exhibit discoloration of the skin and depression because the collagen fibers of the dermis are damaged. Therefore these are treated with ablative lasers.

Treatment consists of removing the surface layer of the skin or on a deeper level, depending on the depth of the scar.

Once removed, the skin forms once again and its collagen fibers are restructured. This way, the depth and width of the scar improves as well as the texture of the treated area.

After treating a deep scar, if the skin is not even, a specific infiltration may be applied to fill the gap and unify the skin surface.

Doctor Pablo Umbert

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