I Have Small Bumps on the Top of my Lip That Do Not Itch or Have Any Unusual Color, What Could Be the Cause?

The bumps on the lips don't stand out too much but they make me self conscience I do not have any food allergies that I am aware of but have sensitive skin and cannot wear fake jewelry for long periods of time of shave without being very careful and using good products. I haven't sweat really or been out in the sun for an unusual amount of time. I have never had an allergic reaction to anything and don't know how to treat it or if it is even an allergic reaction. Any help/advice would be amazing

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