Why are there white patches around acne marks?

In general, the appearance of white patches around acne marks may be related to pigmentation, dry skin, ultraviolet (UV) exposure, fungal infection, vitiligo, and other factors. Patients are advised to follow medical guidance for symptomatic treatment. Specific analyses are as follows:

1. Pigmentation

Acne marks are formed due to inflammation-induced hyperpigmentation. The surrounding white patches may result from uneven pigmentation. Patients may choose skincare products containing ingredients such as vitamin C, arbutin, or niacinamide, which have skin-lightening effects.

2. Dry Skin

Dry skin can also lead to uneven pigmentation and the development of surrounding white patches. Patients should maintain adequate skin hydration by using moisturizers or emollients.

3. UV Exposure

Prolonged exposure to ultraviolet radiation can cause uneven skin pigmentation, resulting in white patches around acne marks. Patients should take sun protection measures, such as applying sunscreen and avoiding extended UV exposure.

4. Fungal Infection

Fungal skin infections may also cause white patches in the surrounding area and require timely treatment. Patients may use medications such as compound miconazole nitrate ointment or compound ketoconazole gel as directed by a physician.

5. Vitiligo

The appearance of white patches around acne marks could indicate vitiligo, a common pigment-loss skin disorder. Symptoms of vitiligo include depigmented or completely white patches on the skin. Patients may follow medical advice to use medications such as betamethasone tablets or dexamethasone tablets for treatment.

Besides the above causes, this condition may also be associated with photosensitivity or neurodermatitis. If discomfort occurs, patients should seek prompt medical evaluation and targeted treatment to avoid disease progression.