The most effective and quick way to remove freckles is to choose laser removal. The principle of laser pigment spot removal is that different types of lasers produce different colors of light, and a laser of a certain wavelength is only absorbed by pigments of the corresponding color. Therefore, the plastic surgery agency uses a laser to generate a strong beam of light to make the pigment disappear, so as to achieve the purpose of removing pigment spots. Laser pigment spot removal treatment time is relatively short, no more than ten minutes at most. After each treatment, the skin must undergo a metabolic process. For this reason, the interval between laser pigment spot removal treatments is usually 3 months.