What is the principle of laser treatment for hypertrophic scars?

Generally, the principle of laser treatment for hypertrophic scars involves the use of specific wavelengths of laser light that can penetrate the epidermis, causing the scar tissue to gradually flatten and soften, becoming closer to normal skin. The general reference price for laser treatment of hypertrophic scars ranges from 2000 to 8000 yuan per session, and noticeable improvement is usually observed after 2–3 months. Detailed explanation is as follows:

Laser treatment for hypertrophic scars uses specific wavelengths of laser light that penetrate the epidermis and are absorbed by abnormally proliferating capillaries and areas of pigmentation. The absorbed light energy is converted into heat energy, triggering a series of biochemical reactions, including inflammatory responses, which cause fibroblasts in the scar tissue to undergo denaturation and necrosis, thereby reducing collagen protein synthesis.

Hypertrophic scars are typically caused by excessive proliferation of fibroblasts, which produce excessive amounts of collagen, resulting in raised and thickened scars. Laser treatment can gradually flatten and soften the scar tissue, and the color of the scar will also gradually approach that of normal skin.

If necessary, it is recommended to visit a正规 hospital and undergo treatment under the guidance of a qualified physician. After laser treatment, the local skin may be delicate and sensitive; therefore, touching or rubbing the treated area should be avoided to prevent pain and redness, which could affect the treatment outcome.