How long the photon therapy instrument can bake at one time needs to be decided according to the individual’s situation, generally 15~30 minutes, should be used under the guidance of the doctor. Photon therapy instrument is a non-exfoliative physical therapy, it can penetrate the skin without damage, and is selectively absorbed by the pigment clusters in the tissue and its blood vessels within the hemoglobin, without destroying the normal tissue cells under the premise of the expansion of blood vessels, pigment clusters are destroyed and decomposed, so as to achieve the effect of removing freckles and whitening, removing red blood wrinkles and eliminating wrinkles, and reducing the size of pores. It is usually used to treat facial pigmentation (e.g. freckles, freckle-like nevi, sun spots, etc.), facial redness (e.g. rosacea, etc.), acne and other disorders, and can also be used for patients who have a need to improve their skin texture. The treatment time of the photon therapy device varies depending on the severity of the condition, the size of the lesions, and the age of the patient. If the condition is mild, teenagers generally use 15-20 minutes; if the condition is more serious, the treatment time needs to be extended, requiring 20-30 minutes. The use of photon therapy device should be under the guidance of a doctor, who will give different treatment settings according to different conditions.