Melanin deposits around the mouth are related to sun exposure, lifestyle habits, lipitis and other factors, and can be gradually improved through sun protection, skin care, fruit acid peeling, laser cosmetic treatment, etc. Some of them may not be removed. 1. Sunshine: melanin precipitation around the mouth may be related to long-term sun exposure. At this time, you can pay attention to sunscreen, appropriate skin whitening skin care products applied around the mouth slowly fade. 2. Lifestyle habits: melanin deposits around the mouth may be often biting the lips, licking the lips or wipe the skin around the mouth with a tissue, the skin around the mouth caused by stimulation. At this time you need to correct the bad habits of ordinary life, appropriate use of whitening masks, whitening essence, to help lighten the melanin precipitation. 3. Lipitis: If you suffer from lipitis may leave melanin deposits around the mouth, you can consider through fruit acid peeling, laser cosmetic technology to lighten the melanin. If you need to remove the melanin deposits around your mouth, you can go to a regular hospital and consult a professional doctor in time.