Not reliable. Official website shows that good doctors, regular hospitals, and medical beauty salons with medical institutions' licenses all have freckle-removing projects, which can be used for freckle treatment. A studio is an organization established by several people or one person. The studio is generally small in scale and does not have the qualifications and sanitary conditions needed for freckle removal, so the studio is not reliable. Studio is a variety of creative production and working spaces, most of which have the embryonic form of company model.