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Trichotillomania, also known as hair-pulling disorder, is more than an occasional habit of touching or playing with hair. It involves repeated hair pulling that can become difficult to control and may eventually lead to visible hair loss, emotional distress, and problems in daily life. Hair may be pulled from the scalp, eyebrows, eyelashes, beard, or other areas of the body.
Some people are fully aware of the urge before they pull. Others may pull almost automatically while watching television, reading, working, or thinking. Because the behavior can be hidden for months or even years, trichotillomania is sometimes mistaken for another type of hair loss. Understanding its symptoms, possible triggers, and treatment options is an important first step toward managing it.
What is trichotillomania?
Trichotillomania is a mental health condition characterized by recurrent pulling of one’s own hair, repeated attempts to reduce or stop the behavior, and distress or problems in important areas of life. It is classified among obsessive-compulsive and related disorders, although it has important differences from classic obsessive-compulsive disorder.
Hair pulling can occur from almost any area where hair grows. The scalp is commonly affected, but eyebrows and eyelashes may also be targeted. Some people search for hairs with a particular texture, thickness, or appearance before pulling them, while others pull without consciously choosing an individual strand.
Trichotillomania vs. obsessive-compulsive disorder, what’s the difference?
Trichotillomania and obsessive-compulsive disorder, or OCD, belong to the same broad diagnostic family, but they are not the same condition. OCD usually involves intrusive thoughts, fears, or mental images followed by repetitive actions or rituals intended to reduce anxiety. Hair pulling in trichotillomania often happens without these classic obsessive thoughts.
A person with trichotillomania may pull because of an urge, physical sensation, boredom, tension, or the feeling that a particular hair needs to be removed. Some people experience satisfaction or relief after pulling. Treatment also differs. Habit reversal training has strong support for trichotillomania, whereas exposure and response prevention is a commonly used behavioral approach for OCD.
Symptoms of trichotillomania
The signs of hair-pulling disorder can differ greatly between individuals. Some people pull several times a day, while others may experience periods when the behavior becomes more or less intense.
- Repeated pulling of hair from the scalp, eyebrows, eyelashes, beard, or other areas.
- Uneven hair length, broken hairs, thinning, or noticeable bald patches.
- Repeated attempts to stop or reduce hair pulling without lasting success.
- Searching for hairs with a certain texture, shape, or thickness before pulling.
- Feeling tension, discomfort, boredom, or an urge before pulling in some cases.
- Feeling relief, satisfaction, or calm during or after pulling in some cases.
- Hiding hair loss with hairstyles, makeup, hats, scarves, or false eyelashes.
- Avoiding social situations because of embarrassment or concern about appearance.
The exact pattern varies, and not everyone experiences tension before pulling or relief afterward. Those sensations are not required for the current diagnosis.
Automatic vs. focused hair pulling
Researchers commonly describe two overlapping pulling styles: automatic and focused. Automatic pulling happens with little conscious awareness. Someone may notice only after finding hair nearby or discovering a new area of thinning.
Focused pulling is more deliberate. It may happen in response to stress, unpleasant emotions, physical sensations, or a desire to find and remove a hair that feels different. Many people experience both styles depending on the situation.
Trichophagia (eating pulled hair)
Trichophagia means chewing or swallowing pulled hair. It does not occur in everyone with trichotillomania, but it is medically important because swallowed hair cannot be digested normally.
Over time, hair can collect in the stomach and form a mass called a trichobezoar. Large trichobezoars may cause abdominal pain, vomiting, early fullness, weight loss, or intestinal blockage and can require urgent medical treatment.
How is trichotillomania diagnosed?
There is no single blood test or scan that confirms trichotillomania. Diagnosis is generally based on the pattern of hair pulling, attempts to stop, the level of distress or impairment, and whether another condition could better explain the hair loss.
A doctor may also examine the scalp and hair to rule out conditions such as alopecia areata, fungal infection, traction alopecia, or other forms of hair loss. Dermatologic assessment can be especially helpful when pulling has not been noticed or disclosed.
What causes trichotillomania?
There is no single proven cause. Current research suggests that trichotillomania develops through a combination of biological, genetic, behavioral, and emotional factors rather than one isolated trigger.
Genetics and family history
Family and genetic factors appear to play a role in vulnerability to trichotillomania and other body-focused repetitive behaviors. Research has found patterns suggesting that these behaviors may occur more often within some families, although having a relative with the condition does not mean someone will automatically develop it.
Brain structure and chemistry
Studies have explored differences in brain circuits involved in habit formation, impulse control, reward, and movement. Areas such as the basal ganglia and parts of the prefrontal cortex have received particular attention. However, current brain imaging research does not support one simple neurological explanation for every case of trichotillomania.
This is one reason treatment tends to focus on behavior patterns and triggers rather than attempting to correct a single chemical imbalance.
Stress and emotional triggers
Stress can make hair pulling more frequent for some people, but trichotillomania should not be described simply as a reaction to stress. Pulling may also occur during boredom, concentration, frustration, fatigue, or quiet activities.
Focused pulling can sometimes function as a way of responding to uncomfortable emotions or sensations, while automatic pulling may happen with very little awareness.
Who is affected by trichotillomania?
Trichotillomania can affect children, teenagers, and adults. It often begins around late childhood or early adolescence, although onset can occur earlier or later. The NHS notes that the condition commonly starts around ages 10 to 13.
Both males and females can be affected. Clinical studies in adolescents and adults frequently report more females seeking treatment, although the pattern can vary with age and study population.
Conditions that commonly occur with trichotillomania
Trichotillomania may occur on its own, but other mental health or body-focused repetitive conditions are common. Recent research continues to show associations with anxiety disorders, depression, OCD, and related behavioral conditions.
OCD and anxiety disorders
Anxiety disorders and OCD can occur alongside trichotillomania. This can make assessment more complex because anxiety may increase pulling urges while OCD may create separate repetitive behaviors.
Identifying both conditions matters because treatment may need to address different symptoms rather than assuming all repetitive behavior has the same cause.
Depression
Depression may also occur alongside trichotillomania. In some cases, low mood develops partly because of shame, reduced confidence, or social problems associated with visible hair loss. In others, depression may exist independently.
Other body-focused repetitive behaviors
Skin picking, nail biting, cheek biting, and related habits may occur together with hair pulling. These behaviors are often grouped under the broader term body-focused repetitive behaviors, or BFRBs.
Recognizing several behaviors at once can help create a treatment plan that addresses the broader pattern rather than focusing only on hair pulling.
Complications of untreated trichotillomania
The effects of trichotillomania are not limited to appearance. Persistent pulling can influence emotional health, relationships, hair and scalp condition, and, in rare cases, gastrointestinal health.
Emotional and social impact
Visible hair loss can lead to embarrassment, secrecy, reduced confidence, and avoidance of activities where thinning might be noticed. Studies describe significant effects on social and emotional functioning in some people with the disorder.
Keeping the behavior secret may also increase stress, creating a cycle in which emotional discomfort and pulling reinforce each other.
Skin and hair damage
Repeated pulling can cause broken hairs, irritation, bleeding, infection, and changes around the follicles. Hair often regrows when pulling stops, particularly when follicles have not suffered lasting injury.
Long-term, repeated trauma can sometimes damage follicles enough to make regrowth incomplete, which makes earlier treatment worthwhile.
Trichobezoars (hairballs)
Trichobezoars are rare but serious complications linked to swallowing hair. Because hair can accumulate rather than pass normally through the digestive system, the mass may become large enough to cause pain, vomiting, nutritional problems, or obstruction.
Anyone who regularly swallows hair and develops persistent abdominal pain, vomiting, unexplained weight loss, or difficulty eating should seek medical assessment.
How is trichotillomania treated?
Treatment usually focuses on identifying pulling patterns, becoming more aware of urges, changing responses to triggers, and addressing related mental health concerns.
Habit reversal training
Habit reversal training, often shortened to HRT, is one of the best-supported treatments for trichotillomania. Evidence reviews have consistently found behavioral therapy involving habit reversal to produce meaningful reductions in hair-pulling symptoms.
Treatment usually involves recognizing situations that lead to pulling and developing a competing response that makes pulling harder to perform. The strategy is adjusted to the person’s own patterns rather than relying on a single universal technique.
Cognitive behavioral therapy
Cognitive behavioral therapy, or CBT, can help identify thoughts, emotions, situations, and habits linked to pulling. Behavioral techniques may then be used to change the response.
For someone who pulls during periods of anxiety, treatment may include learning alternative ways of managing those feelings. For automatic pulling, greater awareness and environmental changes may receive more attention.
Acceptance and commitment therapy
Acceptance and commitment therapy, or ACT, teaches people to notice uncomfortable thoughts, emotions, and urges without automatically acting on them. Research has explored ACT both alone and combined with habit reversal techniques for trichotillomania.
The aim is not necessarily to make every urge disappear immediately. Instead, the person practices choosing a different response even when an urge is present.
Medications
There is currently no medication approved specifically by the U.S. FDA for trichotillomania, and research on drug treatment has produced mixed results.
Certain medications or agents, including N-acetylcysteine, clomipramine, and olanzapine, have been studied, but treatment should be chosen by a qualified clinician after considering age, symptoms, other conditions, current medicines, and possible side effects. Medication may also be used to treat coexisting anxiety, depression, OCD, or another condition when appropriate.
Self-help strategies for managing urges
Self-help strategies can complement professional treatment, particularly when they help increase awareness and interrupt familiar pulling patterns.
- Keep a simple record of when and where pulling occurs to identify triggers.
- Use a stress ball, textured object, or another competing hand activity during high-risk moments.
- Cover commonly targeted areas when this reduces automatic access to the hair.
- Change routines linked with pulling, such as hand position while watching television or studying.
- Practice noticing an urge for several moments before responding to it.
- Reduce shame and focus on patterns rather than criticizing yourself after a setback.
- Continue professional therapy when urges remain difficult to control.
These strategies are most helpful when adapted to the individual’s pulling style and used alongside evidence-based treatment when symptoms are persistent.
How to support a loved one with trichotillomania?
Support is usually more helpful than repeatedly telling someone to stop pulling. Trichotillomania is not simply a bad habit that disappears through willpower. Constantly watching someone’s hands, criticizing visible hair loss, or drawing attention to every episode can increase embarrassment and tension.
A more constructive approach is to listen, learn about the condition, encourage treatment, and ask what type of support is helpful. For children and teenagers, family involvement may also form part of behavioral treatment.
When to see a doctor?
Medical or mental health assessment is recommended when pulling repeatedly causes hair loss, distress, skin damage, or problems at school, work, or in relationships. Professional advice is also useful when someone has tried to stop several times but cannot control the behavior.
More urgent assessment is needed when hair is being swallowed and symptoms such as persistent abdominal pain, vomiting, reduced appetite, or unexplained weight loss develop because these may indicate a gastrointestinal complication.
Outlook, does trichotillomania go away?
The course of trichotillomania varies. Some people experience periods with very little pulling followed by recurrence during stressful or changing circumstances. Others have persistent symptoms that require longer-term management.
Effective treatment can substantially reduce pulling and its impact on daily life. Behavioral approaches involving habit reversal currently have the strongest evidence base, although relapse can occur and additional treatment may sometimes be needed.
Hair can often grow back when pulling stops and follicles remain healthy. Recovery is therefore not only about waiting for hair to return. Learning to recognize triggers, respond differently to urges, and seek treatment for related anxiety or mood symptoms can make a meaningful difference over time.
Sources
- American Psychiatric Association (2013). Diagnostic and Statistical Manual of Mental Disorders, 5th ed. (DSM-5), Trichotillomania Diagnostic Criteria.
- Bloch, M. H. et al. (2007). Systematic review: pharmacological and behavioral treatment for trichotillomania. Biological Psychiatry. Referenced via Pilot trial of a technology assisted treatment for trichotillomania.
- Woods, D. W., Wetterneck, C. T., Flessner, C. A. (2006). A controlled evaluation of Acceptance and Commitment Therapy and habit reversal for trichotillomania. Behaviour Research and Therapy, 44(5), 639-656. Referenced via Psychology Today.
- McGuire, J. F. et al. (2025). Trichotillomania and its treatment, an updated review and recommendations. Expert Review of Neurotherapeutics.
- Grant, J. E., Chamberlain, S. R. et al. Screened prevalence of trichotillomania and its association with self-esteem among Saudi medical students. PMC.
- Virtual Therapy Habit Reversal Training for Body-Focused Repetitive Behaviors: Clinical Outcomes from a Large Real-World Sample of Youth and Adults. medRxiv (2025).
- NHS. Trichotillomania (hair-pulling disorder).
