Written using peer-reviewed research on menstrual-cycle effects in obsessive-compulsive and related disorders, hormone levels in trichotillomania, OCD across the menopause transition, and the dermatology of premenstrual acne. Where evidence for skin picking specifically does not exist, this article says so.
If you pick more in the week before your period, you are describing something thousands of people describe. You are also describing something almost nobody has studied. Those two facts sit awkwardly together, and most articles on this subject resolve the awkwardness by quietly dropping the second one.
Hair pulling has been formally linked to the premenstrual week in a small 1997 survey. OCD symptoms have been linked to the menopause transition in a 2025 review of retrospective studies. Premenstrual acne is well documented in dermatology. Skin picking specifically, across the menstrual cycle, has never been the subject of an eligible study. When a 2022 review in Harvard Review of Psychiatry searched for menstrual-cycle effects on psychiatric symptoms and included "excoriation" among its search terms, it found nothing to include.
That does not mean the pattern isn't real. It means nobody has measured it, and you are going to have to measure it yourself. What follows is why the premenstrual week plausibly hits picking from two directions at once, what happens in perimenopause, and how to run two or three cycles of logging that give you an answer for your body rather than a claim about women in general.
What's actually known, and what's being borrowed
The most useful thing to understand here is which claims have research behind them and which have been carried over from a neighbouring condition.
Hair pulling: one real study, small. Keuthen and colleagues surveyed 59 people who pull about menstruation and pulling. Premenstrual worsening showed up on three separate measures.
Hormone levels in hair pulling: one real study, very small. Grant and Chamberlain measured salivary estradiol, progesterone and testosterone in 11 adolescent girls with trichotillomania. Lower progesterone tracked with worse pulling severity, and lower levels of all three hormones tracked with worse day-to-day functioning. Eleven participants is a starting point, not a conclusion, and the authors say so themselves.
OCD and menopause: eight studies, all retrospective. A 2025 scoping review in Menopause pooled what exists. Among 265 people who reported on whether their existing OCD changed, 27.2% said it got worse around menopause and 11.3% said it got better. Among 373 reporting on onset, 4.6% said their OCD started there. Every included study asked people to remember backwards, which is exactly the design most likely to find a pattern people already believe in.
Premenstrual acne: solid, and it matters here. In a survey of 105 adult women at a Mount Sinai dermatology clinic, 65% said their acne worsened with their period, and 56% of those said the worst of it landed in the week before. Earlier work found 63% of adult women had more inflammatory lesions in the late luteal phase.
Skin picking across the cycle: nothing.
One more thing worth correcting, because it has spread across the web. You will find a claim on several sites that "a study of 1,471 women aged 10 to 60 found a relationship between hormonal changes and focused picking." The underlying paper is Flessner and colleagues, 2009, and it is a study of women with trichotillomania. It is about pulling styles, not picking. Reasoning across from hair pulling to skin picking is fair, since they sit in the same family and share a lot of machinery. Presenting it as evidence about skin is not.
Two different things peak in the same week
This is the part that makes the premenstrual pattern worth taking seriously even without direct evidence, and it's the part the generic articles blur together.
Picking needs two things: something to pick at, and a failure of whatever normally stops you. The premenstrual window plausibly affects both, independently, and they call for completely different responses.
Your skin supplies more targets. Rising progesterone in the luteal phase increases sebum production. Falling estrogen weakens the skin barrier, which leaves skin more reactive and more easily irritated. New inflammatory lesions arrive, usually along the jaw and chin, usually within the seven days before bleeding starts. If you already know that a picking episode begins as a search rather than as a feeling, this part is straightforward: the search is now finding more, and finding it faster.
Your brakes get worse. Estrogen modulates serotonin transmission, and the late-luteal drop in estrogen is associated with lower mood, more irritability and thinner tolerance for discomfort. Progesterone's story is more complicated. Its metabolite allopregnanolone acts on GABA receptors and is generally calming, but under stress, progesterone is also converted into cortisol, which does the opposite. The practical upshot is that the same person who could sit with an urge on day 10 has less to sit with it on day 25. This is the same mechanism that makes anxiety and picking travel together, arriving on a schedule.
Notice that these need opposite fixes. More targets is a skin problem, and it responds to skincare, to covering spots, to changing the lighting in your bathroom. Worse brakes is a regulation problem, and it responds to competing responses, to sleep, to reducing what else is on your plate that week. If you treat a supply problem as a willpower problem, you'll spend the week feeling like you failed at something you were never going to win by trying harder.
Most people have some of both. The point of logging is to find out your ratio.
The premenstrual window, specifically
If there's a pattern, the evidence from adjacent conditions says to expect it in a fairly narrow band: the last five to seven days before bleeding starts, easing once menstruation begins.
In the hair-pulling survey, symptoms eased during menstruation and shortly after. In the acne data, 91% of women with premenstrual flares said their breakouts started within seven days of their period, and 77% said the spots were gone within a week of it ending. Both point at the same short window.
That timing is genuinely useful, because it's short enough to plan around.
A caution about self-diagnosis. Premenstrual dysphoric disorder is a specific clinical diagnosis, and diagnosing it properly requires prospective daily ratings across at least two cycles, not a retrospective sense that things get bad. What you're doing with the logging below is closer to that standard than most people ever get, which is one reason it's worth doing. Bring the log to a clinician rather than arriving at a diagnosis on your own.
Perimenopause and the long taper
The cycle is a monthly wave. Perimenopause is a multi-year one, and it behaves differently in ways that matter.
Perimenopause typically runs several years before the final period, and its defining feature is not that estrogen is low but that it becomes erratic. Cycles shorten, lengthen, skip. Estrogen can swing high before it falls. Sleep fragments, often for reasons that have nothing to do with mood, and short sleep on its own is enough to make urges harder to sit with.
For picking specifically, there is no research at all.
The honest reading of that is: change is common, direction is not universal, and roughly one in nine actually got better.
Two things about skin in this window are worth knowing, because they change what your fingers find. Estrogen supports collagen and skin hydration, so skin often becomes drier and thinner as it declines, which produces more rough patches and flakes to find by touch. Some people also get adult acne for the first time in decades as the ratio of estrogen to androgens shifts. Both mean the supply of targets can rise even while the calendar-based part of the pattern is dissolving.
Testing the pattern on yourself
Two to three full cycles. This is longer than the one-week exercises elsewhere on this site, and it has to be, because a single bad premenstrual week proves nothing and two coincidences look exactly like a pattern.
What to record, daily
Four things, thirty seconds:
- Cycle day. Day 1 is the first day of full bleeding, not spotting. Count forward from there.
- Minutes picked. An estimate is fine. Consistent under-estimation still shows the shape.
- Urge strength, 1 to 5, at its worst that day, whether or not you picked.
- New spots or rough patches you noticed. A count, or just none / a few / a lot.
Recording urge strength separately from minutes picked is the part people skip, and it's the part that answers the two-mechanism question. If urges climb premenstrually but picking doesn't, your brakes are holding and this is manageable. If picking climbs while urges stay flat, you're probably in a supply problem, and what you do to your skin will move the needle further than white-knuckling it.
How to read it
Then compare days -7 through -1 against the rest of the cycle.
You're looking for the same shape twice or three times, not for one dramatic week. A single spike that appears in cycle one and never again is noise, and treating it as a pattern will have you managing a phase that isn't there.
Two things will muddy the result. Hormonal contraception suppresses the natural cycle, and depending on the type there may be no luteal phase to find. And if your cycle is irregular, backwards-counting still works, but you'll need more cycles before anything is legible.
If pen and paper doesn't survive contact with a real week, SkinAware logs episodes and resisted urges in a few taps, with the date, trigger and intensity already attached, so the raw material for this is there and you're only adding the cycle-day column.
Three cycles is a long time to hold in your head
SkinAware logs episodes and resisted urges in seconds, with dates and intensity attached, so the pattern is already there when you go looking for it.
Available on iOS, Android and in your browser.
What to do once you know
After three cycles you'll have one of four results: a rise in both urges and picking, a rise in urges only, a rise in picking only, or no cycle pattern at all. All four are useful. The last one is worth being glad about, because it means your flare-ups have a different cause and you can go looking for it.
If the pattern is in your skin. Simplify the routine in the second half of the cycle rather than escalating it. Barrier-supporting basics, nothing new and nothing aggressive in that window. Hydrocolloid patches go on before you've decided to pick, not after. Cover the magnifying mirror for that week. If premenstrual breakouts are consistent and significant, a dermatologist has real options, and treating the acne removes targets in a way no behavioral technique can.
If the pattern is in your brakes. This is where habit reversal earns its reputation, and the timing advantage is the whole point: you know roughly when the hard week lands, so the competing response can be already practiced rather than invented mid-urge. Protect sleep in that window specifically. Move the demanding stuff out of it where you have any choice. The same logic applies if you pull as well as pick, which is common, and hair pulling is where the actual cycle evidence lives.
If you have both. Most people do. Work the skin side and the brakes side as two separate projects with two separate measures, because a week where you picked the same amount but the urges were weaker is progress, and you will not see it if you only count minutes.
One thing to stop doing. Backdating the blame. A pattern you couldn't see wasn't a pattern you were failing to manage. Six months of logs is the difference between "I fall apart every month" and "days -6 to -1 are hard, and I know what to have ready."
Frequently Asked Questions
Many people report that it does, and the mechanisms are plausible, but no study has directly measured skin picking across the menstrual cycle. The closest evidence is a small 1997 survey of hair pulling, which found worse urges and less control in the premenstrual week, easing once bleeding started. Treat the link as likely but unproven, and test it on yourself over two or three cycles.
Two things overlap. Skin changes in the late luteal phase, with more sebum and a weaker barrier, which produces more of what picking looks for. And falling estrogen, along with progesterone's less predictable effects, tends to lower mood and make discomfort harder to sit with. More to find, less ability to leave it alone. They are separate problems and they need different responses.
There is no research on hormonal contraception and skin picking. Combined oral contraceptives do have good evidence for reducing acne in some people, which could reduce the number of things you find to pick at. That is an indirect effect, and it is a conversation for a doctor who knows your history, not a treatment for the picking itself.
PMDD is a real diagnosis with specific criteria, and diagnosing it requires daily symptom ratings recorded prospectively across at least two cycles rather than a look back. If your premenstrual week involves significant mood symptoms alongside the picking, tracking is the right first step and a clinician is the right second one.
It can change, though the direction is not universal. In the OCD research, about 27% reported worsening around menopause and about 11% reported improvement. There is no equivalent data for skin picking. Drier, thinner skin and disrupted sleep are both plausible contributors, and both are worth raising with a doctor rather than absorbing as personal failure.
Tracking your picking is still worth it. Tracking it against cycle phase may not be, because most hormonal contraception suppresses the natural cycle and there may be no luteal phase to line up against. Look for other patterns instead, like day of the week, sleep, or how much unstructured time you had.
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References
- Handy, A. B., Greenfield, S. F., Yonkers, K. A., & Payne, L. A. (2022). Psychiatric symptoms across the menstrual cycle in adult women: A comprehensive review. Harvard Review of Psychiatry, 30(2), 100–117.
- Keuthen, N. J., O'Sullivan, R. L., Hayday, C. F., Peets, K. E., Jenike, M. A., & Baer, L. (1997). The relationship of menstrual cycle and pregnancy to compulsive hairpulling. Psychotherapy and Psychosomatics, 66(1), 33–37.
- Grant, J. E., & Chamberlain, S. R. (2018). Salivary sex hormones in adolescent females with trichotillomania. Psychiatry Research, 265, 221–223.
- Albanese, C. M., et al. (2025). Obsessive-compulsive disorder and menopause: A scoping review. Menopause.
- Geller, L., Rosen, J., Frankel, A., & Goldenberg, G. (2014). Perimenstrual flare of adult acne. Journal of Clinical and Aesthetic Dermatology, 7(8), 30–34.
- Flessner, C. A., Woods, D. W., Franklin, M. E., Keuthen, N. J., & Piacentini, J. (2009). Cross-sectional study of women with trichotillomania. Child Psychiatry & Human Development, 40, 153–167.