The white spots on the upper lip are considered to be caused by sebaceous ectasia, vitiligo and other diseases.
1. sebaceous ectasia: sebaceous ectasia occurs in the lips and oral mucosa and other parts of the manifestation of isolated such as the size of a pinhead of yellowish-white pimples, the cause of which is not yet clear, is currently believed to be related to the hormone level, androgen secretion and stimulation caused by. Triggers include local stimulation and trauma, smoking and so on.
2. Vitiligo: Vitiligo is a disease in which melanocyte destruction leads to white patches on the skin, the cause of which is not yet clear, the cause of which is related to autoimmune disorders, genetic factors, neurochemicals, etc. The triggering factors include psychiatric factors, skin injuries, and trauma, etc. The main manifestation of this is the appearance of white patches on the skin. The main manifestation is the appearance of white spots on the skin, which can appear in any part of the body.
There are more reasons for white spots on the upper lip, so it is recommended to consult a doctor for a clear diagnosis.