Closed pimples at the corners of the mouth are an early manifestation of acne and can be improved with general treatment and topical medication.
1. General treatment: maintain facial hygiene and cleanliness, do not use stimulating skin care products; light and balanced diet, do not eat spicy and stimulating greasy food; avoid staying up late for a long time, quit smoking and drinking.
2. Topical drug treatment: can be used externally retinoic acid drugs, such as retinoic acid cream, isotretinoin gel, adapalene gel, etc.; can also be applied locally benzoyl peroxide gel for treatment.
These drugs can have different degrees of adverse reactions, such as burning sensation of the skin, flaking, skin erythema, etc., and need to be used under the guidance of a doctor when using them.