The principle of laser hair removal is to destroy hair follicles through the heat generated by laser, so as to achieve the effect of hair removal. The specific operation process is to scrape off the hair that needs laser with a scraper, so that the laser can better aim at the root of the hair, and then follow the hair down to the position of the hair follicle. At this time, the heat generated by the laser begins to play a role and destroy the hair follicle. This step can be repeated many times to finally achieve the effect of hair removal.

Extended data:

Laser hair removal technology has been approved by FDA since 1997. It has a clinical history of 22 years and is widely used by the public. This shows that laser hair removal is basically stable on the technical level, and there is no personal safety risk, but slight side effects still exist, such as:

1, the skin may turn red after laser treatment;

2, blisters may appear on the skin, or even large blisters;

3. Pigmentation may appear in the skin color of the laser irradiation site.

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