Why is the face always shiny when taking pictures?

First of all, it is best not to use a flash when taking pictures. The photos taken with flash are not effective. Also, if the flash is direct, as long as the face is a little shiny, if the photographer's angle is not good, it is easy to produce facial oil. Maybe your face is oily. Take photos from different angles, and you can take oil-free photos from different angles. Also, if your face is smooth, your face will form a small reflector, so try not to let your face shine directly when shooting, but if you are afraid of this, you can wash your face before taking pictures or use oil-absorbing paper to absorb oil. ...