The hazards of mole removal include hyperpigmentation, scarring and cancer. 1. Hyperpigmentation: If it is a small mole, it can be removed by laser, if it is a big mole, it can be removed by surgery. Whether it is removed by laser or by surgery, there may be changes such as hypopigmentation or hyperpigmentation, etc. If it is removed by medicine, it may have chemical corrosion effect. 2. Scars: If you use medication to remove moles, the medication has a chemical corrosion effect, and deeper corrosion may produce secondary infection or even leave scars. In addition, even laser and surgical mole removal may cause scars. 3. Cancer: Individual patients who have repeated medication and laser removal of moles may induce cancerous transformation of mole cells into malignant melanoma through repeated stimulation of mole cells, which is a more dangerous situation. If you need to remove moles, it is recommended to go to the hospital for consultation. Different parts of the body and different sizes of moles are subject to different mole removal programs. It is recommended to pay more attention to skin care after mole removal, for example, do not get wet and avoid scratching to avoid leaving color scars on the mole removal site. You should also pay attention to your daily diet, do not eat spicy and stimulating food.