How do plumping lip glosses and oils work? Dr. Carmen Castilla, a board-certified dermatologist with New York Dermatology ...

A canker sore is a small mouth ulcer that can appear on the lips, inside of the mouth, or the tongue. It can cause pain or numbness and sometimes a tingling sensation around the immediate area.

Menthol and camphor have a cooling or tingling effect that may feel soothing at first but can lead to further irritation. They are known to eventually strip away natural moisture, causing lips to ...