The Working Principle And Precautions Of Laser Hair Removal Device
We all know that too much hair sometimes affects the appearance of an individual. Different parts of the body have different body hairs. Some body hairs have little effect, so we can remove them. For hair removal, many people use laser methods. So do you know what the working principle of the laser hair removal device is?
Principle of Laser Hair Removal Apparatus
The laser hair removal instrument is based on the principle of selective photothermodynamics. By reasonably adjusting the energy and pulse width of the laser wavelength, the laser can penetrate the skin surface to reach the root hair follicles. The light energy is absorbed and converted into heat energy that destroys the hair follicle tissue. It is a technique that makes hair lose its ability to regenerate, while at the same time it may damage surrounding tissues and has a mild tingling sensation.
Precautions after laser hair removal
1. Pay attention to sun protection
After laser hair removal, the skin is particularly fragile and cannot be exposed to the sun, otherwise it is easy to be pigmented. Therefore, the hair removal area must be protected from the sun to avoid the stimulation of strong light. You need to apply natural and non-irritating sunscreen when you go out. Sun hat and sun protection clothing to prevent skin damage.
2. Dry and clean
After laser hair removal, pay attention to protect the treated area and keep it dry and clean. Do not use your hands or other objects to squeeze the area where red spots appear on the skin after hair removal, otherwise it is prone to wound infection, which will gradually disappear after a period of time. Don't worry too much.
3. Pay attention to cold compress
After laser hair removal, there will be a slight burning sensation and slight redness in the treated area, and lighter erythema may also appear on the skin around the hair follicles. These are normal reactions. Local cold compresses can be applied for 15-20 minutes to relieve pain and eliminate redness. The phenomenon of heat.