What causes small red bumps appearing on the face?

Small red bumps on the face may be caused by physiological factors, seborrheic dermatitis, acne, and other reasons. Details are as follows:

1. Physiological Factors

The skin naturally produces sebum. Excessive sebum production can lead to clogged pores and subsequently form small red bumps. This is not a pathological condition and can be alleviated or prevented through appropriate measures such as reducing intake of greasy foods, maintaining facial cleanliness, and practicing good personal hygiene.

2. Pathological Factors

a. Seborrheic Dermatitis

Seborrheic dermatitis is another possible cause of small red bumps on the face. These bumps typically result from overactive sebaceous glands producing excess oil, commonly appearing in the T-zone area. Besides red bumps, symptoms may include increased oiliness and a shiny appearance on the face. Management includes keeping the face clean, using skincare products that regulate sebum production, and avoiding contact with irritating substances.

b. Acne

Acne is a skin condition caused by inflammation of hair follicles and sebaceous glands, presenting symptoms such as blackheads, whiteheads, and inflamed red pimples. This skin issue is often associated with *Cutibacterium acnes* (formerly known as *Propionibacterium acnes*) and requires treatment under the guidance of a medical professional. Commonly used medications include clindamycin and fusidic acid.

In summary, small red bumps on the face can arise from various causes. Depending on the underlying reason, preventive and therapeutic measures can be applied. However, regardless of the cause, maintaining healthy lifestyle habits, good personal hygiene, proper diet, and minimizing exposure to irritants are effective ways to prevent and alleviate facial red bumps.