Why is the area around your mouth so red?
Recently, the issue of "redness around the mouth" has sparked heated discussions on multiple social platforms and health forums. Many netizens have reported symptoms of redness, dryness and even peeling around the lips, which is especially more obvious after the change of seasons or after wearing a mask. This article will combine the popular discussions and medical advice on the Internet in the past 10 days to analyze the causes and countermeasures of this phenomenon.
1. Common causes of redness around the mouth

| Reason type | Specific performance | High-risk groups |
|---|---|---|
| contact dermatitis | Using skin care products, toothpaste or food residues that contain irritating ingredients | People with sensitive skin |
| Perioral eczema | Erythema accompanied by fine scales, recurring | children and teenagers |
| fungal infection | Well-defined erythema with white discharge | People with low immunity |
| vitamin deficiency | Cheilitis caused by B vitamin deficiency | Picky eaters or dieters |
2. The response plan that is hotly discussed across the entire network
According to popular shares on Weibo, Xiaohongshu and other platforms, the following methods have gained high recognition:
| Solution | support rate | Things to note |
|---|---|---|
| Medical Vaseline thin coating | 78% | avoid licking |
| Replace amino acid cleansing | 65% | Avoid SLS table activity |
| Multivitamin supplement | 53% | Requires supplementation for 2 consecutive weeks |
| Cold saline compress | 47% | No more than 3 times a day |
3. Doctor’s professional advice
1.Differential diagnosis:If it is accompanied by itching, blisters or a tendency to spread, you need to seek medical attention promptly to check for herpes simplex or allergic dermatitis.
2.Medication Instructions:A popular science video recently released by the Department of Dermatology of Peking Union Medical College Hospital emphasizes that hormone ointments must be used strictly in accordance with doctor's instructions, and self-abuse may aggravate symptoms.
3.Living habits:It is recommended to avoid frequent lip licking (evaporation of saliva will aggravate dryness), and a humidifier can be used at night to maintain the ambient humidity at 40%-60%.
4. Recent hot-related events
1. An internet celebrity’s lip mask was exposed to contain prohibited ingredients, and the State Food and Drug Administration has launched a special inspection (the topic on Weibo has been read 120 million times).
2. The 2023 version of the "Chinese Guidelines for Diagnosis and Treatment of Sensitive Skin" adds a new chapter on "Mask-related Dermatitis", which clearly states that when wearing a mask for more than 4 hours continuously, attention must be paid to skin barrier protection.
3. The topic "Lip Care" on Douyin has been played more than 800 million times, and the proportion of popular science content by doctors from tertiary hospitals has increased to 35%.
5. Prevention and care schedule
| time period | Nursing measures |
|---|---|
| morning | Apply moisturizer immediately after cleansing with warm water |
| After meal | Clean food residue with a soft cotton towel dipped in water |
| night | Thick application repair product (containing ceramide ingredients) |
| 2 times a week | Hot steam lip compress (temperature does not exceed 40℃) |
Special reminder is that if the symptoms of redness and swelling persist for more than 1 week without improvement, or if exudation, scabs, etc. occur, you should go to the dermatology department of a regular hospital in time. The recent dry climate coupled with the increased frequency of mask use during the flu season makes it particularly important to maintain the skin barrier.
check the details
check the details