According to the TLC Foundation for Body Focused Repetitive Activities, about 3% of the world's population has BFRB.
Lip biting is considered a psychological problem. As a rule, people do this when they are worried or unsure of themselves.
Psychologists note that those who have lacked love and attention in childhood bite their lips. Adults mostly do this when they experience stress in everyday life.
There can be several reasons for biting cheeks and lips: OCD, auto-aggression, a variant of dealing with stress or anxiety.
In any case, treatment should begin with a visit to the dentist, who will determine if there is any somatic cause for this condition, such as malocclusion.
When you really want to bite your lips, take a deep breath and exhale several times, get up and walk for a couple of minutes, sit down to distract yourself.
Exfoliate and moisturize. A lip scrub will leave your skin soft and smooth, while a moisturizer will hydrate your lips and prevent flaking.