How Often Do You Touch Your Face? What Research Says

There is no universal face-touching rate. The number most often repeated online is 23 touches per hour, but it came from 26 medical students observed during one two-hour lecture. It is a study result, not a personal target or population average.

What the 2015 Study Found

Researchers video-recorded 26 medical students during one two-hour lecture. Across the group, they counted an average of 23 face touches per hour. Of all observed touches, 44% involved a mucous membrane: the mouth, nose, or eyes (American Journal of Infection Control). The remaining observed contacts did not involve those mucous membranes.

Those figures all come from the same study. It was conducted at the University of New South Wales; it was not a separate "NIH study" and an "office worker study."

How to Read the Number

Study detail	What it means for the result
26 participants	Individual and population differences are not well represented by this small sample.
Medical students	Training, age, setting, and shared context may differ from other groups.
One two-hour lecture	The study did not observe a full day, work-from-home period, commute, sleep, or private grooming.
Video observation	Researchers could count visible contacts, but a camera still depends on definitions and visibility.
23 touches per hour	This is the group's observed average, not a normal limit or a forecast for one person.

The study does not establish:

A normal rate for the general population
How often any particular reader touches their face
That people touch more at a computer, in private, or later in the day
That a given number of touches will cause acne or another skin condition
That everyone underestimates their rate by a predictable amount

The result shows that hand-to-face contact occurred repeatedly in that lecture and often involved the eyes, nose, or mouth. It should not be converted into a daily total by multiplying 23 across every waking hour.

Why Other Numbers Need Their Own Sources

Face-touching studies can define the face differently, separate mucous-membrane contact from other contact, count one prolonged contact as one event, or use different observation settings. A lecture count should not be blended with an airport, hospital, or laboratory count as though the methods and populations were interchangeable.

How to Learn About Your Own Pattern

If you want a personal baseline, measure a defined context rather than trying to monitor an entire day:

Choose one activity, such as a 30-minute reading session or video call.
Define categories before starting: brief touch, resting the face, rubbing or scratching, grooming, and picking.
Use the same observation method for several sessions. A self-tally is easy but misses unnoticed events; a short video may capture more visible movement but requires consent and privacy safeguards.
Record both events and observation time. Ten events in 20 minutes and ten events in two hours are not comparable totals.
Note context such as itching, glasses, skin care, posture, concentration, or stress.
Compare like with like, such as several reading sessions, before changing the environment.

A simple worksheet might look like this:

Activity and duration	Brief touch	Resting/rubbing	Picking	Context worth noting
Reading, 30 minutes				Itch, posture, glasses, stress
Video call, 30 minutes				Camera awareness, note-taking, fatigue

The categories matter more than chasing a low total. Resting your chin, applying medication, touching your eye with an unwashed hand, and reopening an acne lesion have different implications.

Untouched can alert you to hand-to-face movements it detects while you use your Mac. Lighting, camera angle, occlusion, and intentional touches can produce missed or unwanted alerts, so use its count as detected events, not exact frequency. Review whether the cue helps you identify a specific pattern rather than aiming for zero contact.

Source

Kwok et al.: Face touching in medical students