I've had this red mark on my lower lip for about 2 months (it hasn't changed in appearance that I can see). It looks like a cut that is not healing, so could it be from where I bit my lip/picked at it and now there is a scar/mark or could it be something more serious? I used to pick and bite my lips a lot, which makes me wonder if it is just from that or if it could be something that requires treatment. Thanks so much for your help!
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