The causes of acne around the mouth include high androgen levels, abnormal keratinization of the sebaceous gland ducts of hair follicles, and Propionibacterium acnes infection.
1. High androgen level: Androgen can stimulate sebum secretion, which can cause pore blockage and acne around the mouth.
2. Abnormal keratinization of follicular sebaceous gland ducts: This can lead to narrowing or blockage of the ducts, which prevents the shedding of epithelial cells and sebum from being discharged normally, resulting in the formation of pimples around the mouth.
3. Propionibacterium acnes infection: Propionibacterium acnes is one of the normal flora on the surface of the body. When an anaerobic environment is formed in the skin, Propionibacterium acnes proliferates rapidly and stimulates the skin to form acne.
Patients with acne around the mouth are advised to seek timely medical attention and standardized treatment under the guidance of a doctor.