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Why do pimples appear on the mouth?

2025-11-14 06:42:26 female

Why do acne appear on the mouth? Revealing the top 10 reasons and how to deal with them

Recently, the topic of "acne around the mouth" has sparked widespread discussion on social media. Many netizens shared their troubles with recurring acne, especially the stubbornness of acne around the lips. This article will combine the hot discussions and medical opinions on the Internet in the past 10 days to analyze the common causes of mouth acne and provide practical solutions.

1. Statistics of hot topics on the entire network in the past 10 days

Why do pimples appear on the mouth?

Topic keywordsDiscussion popularity (index)Main platform
Causes of acne around lips1,200,000+Xiaohongshu, Weibo
Toothpaste causes acne850,000+Douyin, Bilibili
Mask acne680,000+Zhihu, Baidu Tieba
Endocrine disorders and acne1,050,000+WeChat, Douban

2. 10 common causes of acne on the mouth

1.Toothpaste residue irritation: Toothpaste containing fluoride or SLS (sodium lauryl sulfate) may irritate the skin around the lips and cause "toothpaste acne".

2.Mask friction and moisture: Wearing a mask for a long time leads to a local hot and humid environment, which breeds bacteria (such as Propionibacterium acnes).

3.endocrine imbalance: Before menstruation and during times of stress, androgens increase, stimulating sebaceous gland secretion.

4.eating habits: A diet high in sugar and dairy products (such as milk) can easily induce inflammation.

5.hand contact: Frequently touching your face, holding your chin and other actions can bring bacteria to the lips.

6.Improper skin care products: Excessive use of lipstick that is greasy or contains acne-causing ingredients (such as lanolin).

7.Digestive system problems: Constipation or intestinal flora imbalance may be reflected as acne through the "gut-skin axis".

8.Folliculitis: Bacterial infection after shaving or hair removal.

9.vitamin deficiency: Insufficient B vitamins affect skin metabolism.

10.allergic reaction: Allergy to certain foods (such as seafood) or cosmetic ingredients.

3. Targeted solutions

Reason typeSolution
Toothpaste irritationSwitch to fluoride-free toothpaste and clean around your lips after brushing
Mask problemChange the mask every 4 hours and apply a light lotion before wearing it.
Endocrine disordersAdjust work and rest, supplement zinc and Omega-3
Dietary effectsReduce dairy intake and increase vegetables and antioxidant foods

4. Advice from medical experts

Dermatologist @Dr. Li reminded on Weibo: "If the acne around the lips is accompanied by redness, swelling and pain, it may be Staphylococcus aureus infection. You need to seek medical treatment instead of popping the acne on your own." In addition, topical medicine containing 2.5% benzoyl peroxide can be used at night to effectively kill bacteria.

5. TOP3 effective methods tested by netizens

1.Green tea water wet compress: Apply refrigerated green tea cotton pads for 3 minutes, the anti-inflammatory effect is significant (52,000 likes on Xiaohongshu).

2.Sulfur soap cleaning: Wash the lip area with sulfur soap twice a week (pay attention to moisturizing). The UP owner of B station has tested the effect in 1 week.

3.Adjust sleeping position: Avoid pressing your face when sleeping on your side and reduce friction (hotly discussed on Douban Group).

In summary, acne on the mouth is the result of a variety of factors, and the cause needs to be investigated based on your own situation. If it continues to not improve, it is recommended to seek medical treatment in time for professional diagnosis.

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