A 29-year-old female asked:
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i am experiencing skin redness or irritation around my lips after i eat, laugh, even kiss. this redness, when i'm not eating etc, is a brown pigmented line which looks like a distorted lip liner. this started 6 years ago as a small brown dot.

1 doctor answer
Dr. Daniel Quon
42 years experience Oral and Maxillofacial Surgery
Melanin: It is possible that the small brown dot that initially appeared was melanin, the substance that is responsible for pigmentation in the skin and tissues of the body. The melanocytes are cells that produce melanin and some people can have brown pigmentation in the lips, as well as the tissues of the mouth.
Answered on Apr 16, 2018

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