Hello, doctor! My husband went on a business trip for more than a month, and when he came home, his face grew black, and the dialect was called local accent. How did this happen? What should I do? tro

Hello, considering your situation, pigmentation may also be caused by pigmented nevus.

Guiding opinions:

Suggest a dermatological examination. Usually eat more fruits and vegetables containing vitamin C, regularly go to beauty salons for freckle care, and go to bed early and get up early regularly. Eat more green vegetables, such as carrots and vegetables. Eat more fruits with more water: oranges, watermelons, peaches, etc.