Chloasma, commonly known as "butterfly spot", "liver spot" or "pregnancy spot", is a very stubborn facial stain that is difficult to remove. Picosecond laser removes chloasma, and penetrates deep skin with a specific laser wavelength that is stronger, faster, more accurate and more comfortable than ordinary laser equipment in advanced equipment. The significance of picosecond laser speckle generally requires 3-5 treatments, so people who love beauty need a little patience.