Effective Solutions for Dark Marks After Angular Cheilitis - Dermatology

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Angular cheilitis


Doctor: Hello! I had angular cheilitis 2 to 3 times a year ago.
After treating it with white vinegar, it recurred again.
However, now I have a problem that is very troubling to me.
There are dark marks on both sides of my mouth.
They look quite unsightly.
The wounds have healed for some time now.
Is there any way to address this?

Eva, 10~19 year old female. Ask Date: 2004/11/13

Dr. Huang Ruiyun reply Dermatology


Post-inflammatory hyperpigmentation on the face typically fades naturally within three to twelve months after the inflammation has resolved.
It is essential to apply sunscreen daily to the pigmented areas.
If the fading is still slow, you may consider visiting a dermatologist.

Reply Date: 2004/11/13

More Info


Angular cheilitis, also known as angular stomatitis, is a condition characterized by inflammation and cracking at the corners of the mouth. While the acute symptoms can be treated with topical antifungal or antibacterial medications, the aftermath can sometimes leave dark marks or hyperpigmentation in the affected areas, which can be distressing for many individuals.

The dark marks you are experiencing are likely a result of post-inflammatory hyperpigmentation (PIH). This is a common skin response where the skin darkens in response to inflammation or injury. In your case, the inflammation caused by angular cheilitis may have triggered this reaction. Here are some effective solutions and treatments that can help address these dark marks:
1. Topical Treatments:
- Hydroquinone: This is a skin-lightening agent that can help reduce hyperpigmentation. It works by inhibiting melanin production in the skin. However, it should be used under the supervision of a healthcare provider, as prolonged use can lead to further skin issues.

- Retinoids: Topical retinoids, such as tretinoin, can promote cell turnover and help fade dark spots over time. They also improve skin texture and can prevent future breakouts.

- Vitamin C: This antioxidant can brighten the skin and reduce the appearance of dark marks. Look for serums that contain stable forms of Vitamin C, such as ascorbic acid.

- Niacinamide: This ingredient can help lighten dark spots and improve skin barrier function. It is also known for its anti-inflammatory properties.

2. Chemical Peels: A dermatologist may recommend chemical peels that contain alpha-hydroxy acids (AHAs) or beta-hydroxy acids (BHAs). These peels can exfoliate the top layer of skin, promoting the growth of new, evenly pigmented skin.

3. Laser Treatments: For more persistent hyperpigmentation, laser treatments such as fractional laser therapy or intense pulsed light (IPL) can be effective. These treatments target melanin in the skin and can significantly reduce dark marks.

4. Sun Protection: It is crucial to protect the affected areas from sun exposure, as UV rays can worsen hyperpigmentation. Use a broad-spectrum sunscreen with an SPF of at least 30, and consider wearing a wide-brimmed hat when outdoors.

5. Moisturization: Keeping the skin well-hydrated can help improve its overall appearance and texture. Look for non-comedogenic moisturizers that won’t clog pores.

6. Consultation with a Dermatologist: If the dark marks persist or worsen, it is advisable to consult a dermatologist. They can assess your skin condition and recommend a tailored treatment plan based on your specific needs.

7. Avoiding Irritants: Be cautious with products that may irritate the skin around your mouth, such as harsh soaps or certain cosmetics. Opt for gentle, fragrance-free products to minimize the risk of further inflammation.

In conclusion, while the dark marks left after angular cheilitis can be frustrating, there are several effective treatments available. It is important to be patient, as fading hyperpigmentation can take time. Consistent use of the recommended treatments, along with sun protection and proper skincare, can lead to significant improvement. If you have any concerns or if the marks do not improve, seeking professional advice from a dermatologist is the best course of action.

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