The melanin on the neck is considered to be related to sun exposure and acanthosis nigricans, etc. The treatment should be based on the cause of its onset to choose the general treatment, drug treatment, physical therapy, radiotherapy and other ways.
1. Sun exposure: As the local skin is irradiated by sunlight, the sunlight is rich in ultraviolet rays, and the ultraviolet rays irradiated to the skin will cause the melanin cells to move to the surface of the skin to release melanin and appear the manifestation of skin blackening, at this time, we should do a good job of sun protection, wear a good hat or take an umbrella, and we can also follow the doctor’s advice through salicylic acid, fruit acid and other exfoliators or through laser treatment.
2. Acanthosis nigricans: at present, the cause of its pathogenesis is not clear, for patients caused by obesity, to control diet, reduce weight; can also be through the Vitamin A acid gel, hydroquinone cream and other preparations for external coating; for malignant acanthosis nigricans patients, can be treated by radiotherapy or chemotherapy.
For patients with melanosis on the neck, it is recommended to go to a regular hospital, clarify the cause of the disease and then actively treat under the guidance of the doctor.