For most people, upper lip sweat is the result of an overactive sebaceous gland. While this is often caused by hormonal changes during puberty, it can also be caused by situations that cause intense emotional stress.
The good news for those who are suffering from excessive sweating on their upper lip is that there are several ways to help control the amount of facial perspiration you experience. These include:
Using a mild antiperspirant spray or roll-on instead of cosmetics containing more potent chemicals such as aluminum chlorohydrate Drying your hair with a hair dryer before applying makeup Eating foods high in fiber