Body-Focused Repetitive Behaviors: Understanding BFRBs

You might not have heard the term "body-focused repetitive behavior" before, but there's a good chance you've experienced one. Picking at your skin, pulling your hair, biting your nails, chewing the inside of your cheek. These aren't random quirks. They belong to a recognized category of behaviors that millions of people share, and they have more in common with each other than most people realize.

Understanding BFRBs as a category, rather than as isolated "bad habits," changes how you think about them and how you approach change.

What Are Body-Focused Repetitive Behaviors?

BFRBs are a group of related behaviors that involve repetitive self-grooming actions that cause physical damage to the body. The term was formally introduced by researchers to capture what these behaviors share: they're repetitive, they target the body, and they're difficult to stop through willpower alone (TLC Foundation for BFRBs).

In the DSM-5, the most clinically studied BFRBs fall under Obsessive-Compulsive and Related Disorders, though not all BFRBs have their own diagnostic category yet.

The key feature across all BFRBs is the same: the behavior continues despite repeated attempts to stop and despite causing noticeable physical harm.

The Most Common BFRBs

Skin Picking (Dermatillomania)

Also called excoriation disorder, dermatillomania involves compulsive picking, scratching, or digging at the skin. It's one of the most studied BFRBs, affecting an estimated 1.4 to 5.4% of the population (Journal of the American Academy of Dermatology). Common target areas include the face, arms, scalp, and cuticles.

The consequences range from minor irritation to significant scarring and infection. For many people, the emotional toll (shame, social avoidance, frustration) is just as significant as the physical damage.

Hair Pulling (Trichotillomania)

Trichotillomania involves the compulsive pulling of hair from the scalp, eyebrows, eyelashes, or other areas of the body. Research estimates a lifetime prevalence of about 0.5 to 2% (American Journal of Psychiatry). Like skin picking, it can be either automatic (happening outside awareness) or focused (a deliberate, almost ritual-like behavior).

The visible effects (thinning hair, bald patches, missing eyebrows or lashes) often lead to significant distress and elaborate efforts to conceal the damage.

Nail Biting (Onychophagia)

Nail biting is the most common BFRB, affecting an estimated 20 to 30% of the general population at some point in their lives (Clinical Psychology Review). While often dismissed as a minor habit, severe nail biting can cause damage to the nail bed, cuticles, and surrounding skin, and can lead to infections.

Cheek Biting and Lip Biting

Less studied but surprisingly common, cheek and lip biting involves repetitive chewing or biting of the inside of the cheeks or lips. It can cause painful sores, scarring of the oral mucosa, and in chronic cases, changes to the tissue structure.

Other BFRBs

The BFRB umbrella also includes:

• Skin biting (dermatophagia)
• Nose picking (rhinotillexomania)
• Knuckle cracking
• Scab eating
• Excessive scratching

These vary widely in severity, but they share the same underlying pattern: a repetitive action targeting the body that the person struggles to control.

What Do All BFRBs Have in Common?

Despite targeting different parts of the body, BFRBs share a remarkably consistent set of features.

The Automatic-Focused Spectrum

Nearly all BFRBs can occur in two modes:

• Automatic: The behavior happens below the level of conscious awareness, often during sedentary activities like watching TV, reading, or working at a computer. The person may not realize they're doing it until they notice the damage.
• Focused: The behavior is deliberate, often triggered by a specific sensation (a rough patch of skin, an uneven nail, a coarse hair) or a visual cue (a mirror, bright lighting). It often has a trance-like quality and provides temporary satisfaction.

Most people with BFRBs experience both modes, though one may dominate.

Emotional Regulation

Research consistently shows that BFRBs function as emotional regulation tools. They tend to increase during states of anxiety, boredom, stress, frustration, and even concentration (Behaviour Research and Therapy). The behavior provides temporary relief or stimulation, which reinforces the cycle.

This isn't a character flaw. It's the nervous system using the tools it has to manage its internal state.

The Shame-Secrecy Pattern

Across all BFRBs, a common thread is the profound shame that accompanies the behavior. People hide their picking, pulling, or biting. They avoid situations where the evidence might be visible. They feel alone in their struggle, not realizing that millions of others share it.

This secrecy is one of the biggest barriers to getting help. Many people with BFRBs wait years or even decades before telling anyone, including healthcare providers.

Neurobiological Roots

Brain imaging studies suggest that BFRBs involve altered activity in regions related to habit formation (basal ganglia), impulse control (prefrontal cortex), and reward processing (Comprehensive Psychiatry). There's also evidence of a genetic component, with BFRBs tending to run in families.

This means BFRBs aren't simply "bad habits" that can be willed away. They involve real differences in how the brain processes impulses and rewards.

BFRBs Are Not OCD (But They're Related)

A common misconception is that BFRBs are a form of OCD. While they're classified in the same section of the DSM-5 and share some features (repetitive behavior that's hard to control), there are important differences:

• OCD is driven by intrusive thoughts (obsessions) and the compulsions are performed to reduce anxiety caused by those thoughts
• BFRBs are driven by sensory triggers, emotional states, or automatic habit loops, not by intrusive thoughts

Some people have both OCD and a BFRB, but having one doesn't mean you have the other. This distinction matters because the most effective treatments differ between the two.

How Are BFRBs Treated?

The good news is that BFRBs respond to several evidence-based approaches. The most effective treatments address both the behavior itself and the emotional triggers behind it.

Habit Reversal Training (HRT)

HRT is the most well-studied behavioral intervention for BFRBs. It involves three components: awareness training (learning to notice when the behavior starts), competing response training (substituting a different action), and social support.

Comprehensive Behavioral Treatment (ComB)

ComB is a newer, modular approach that draws from HRT and adds strategies tailored to the individual's specific triggers. It addresses sensory, cognitive, emotional, motor, and environmental factors, creating a personalized treatment plan.

Acceptance and Commitment Therapy (ACT)

ACT helps people develop a new relationship with urges, learning to notice them and let them pass without acting on them. Mindfulness techniques are central to this approach.

Medication

No medication is specifically approved for BFRBs, but SSRIs and N-acetylcysteine (NAC) have shown some benefit in studies, particularly when anxiety or depression co-occurs.

Awareness-Based Technology

One of the biggest challenges with BFRBs, particularly the automatic type, is that the behavior happens without awareness. Tools that provide real-time feedback can bridge this gap. Untouched uses AI-powered webcam detection to alert you when your hands move toward your face, supporting the awareness training that's central to treatments like HRT. It's particularly effective for catching automatic picking and touching that happens during computer use.

Why Awareness Is the First Step

Across all BFRBs, treatment starts in the same place: awareness. You can't change a behavior you don't notice you're doing.

This is especially true for the automatic type of BFRB, where the behavior happens below conscious awareness. Building a habit of noticing, without judgment, when your hands start moving toward the target area, is the foundation that every other strategy builds on.

Whether through tracking your triggers, working with a therapist, or using technology that catches you in the moment, increasing awareness is always the first move.

You're Not Alone in This

BFRBs thrive in secrecy. The less people talk about them, the more isolated each person feels. But with millions of people affected worldwide, and a growing body of research behind effective treatments, the reality is that help exists and recovery is possible.

If you'd like to start building awareness of your own patterns, Untouched is free to try and runs entirely on your Mac, with no video ever leaving your device.

This article is for informational purposes only and is not a substitute for professional medical or mental health advice. If you're struggling with a body-focused repetitive behavior, consider reaching out to a qualified mental health professional or visiting the TLC Foundation for BFRBs for resources and support.