Laser removal of melanin deposits is not permanent, if the post-laser care is not proper, the symptoms of melanin deposits may still occur. Through the laser treatment to get rid of the melanin precipitation, can be through the specific wavelength light irradiation way to break up the melanin under the skin, so that the broken melanin through the metabolism way to discharge out of the body. However, this method is not permanent. If you do not take proper care of your skin after treatment, such as staying up late or being exposed to ultraviolet rays for a long period of time, the symptoms of melanin deposits may still occur, and the darkness may even return to the skin and become more serious. Melanin deposits generally do not need treatment, after 2 to 6 months of metabolism will gradually fade, if it affects the aesthetics, it is recommended to follow the doctor’s advice to use laser and other treatments. After the treatment, we should do a good job of sun protection, maintain a stable and sufficient sleep time; drink more water to speed up the body’s metabolic rate.