Hormonal Acne: Understanding and Addressing It From Within
Hormonal acne is rarely just a problem of the skin. Behind the pimples on the chin and jawline lies an interplay of androgens, sebum, low-grade inflammation and the gut. Once you understand this, you stop looking only for a better cream and start looking at the whole system.
When women come to me with stubborn acne, they have often already tried a great deal. Creams, cleansers, cutting out all kinds of things. And still the pimples on the chin and jawline come back, as if following an inner calendar. That is why I rarely see acne as a pure skin topic. It is often the visible end of an inner conversation between hormones, blood sugar, the gut and the immune system. The skin is then not the problem. It is the stage on which what lies deeper shows itself.
Perhaps you know this. The skin calms down for a few days, and you feel hopeful. Then, usually in the second half of the cycle, it comes back. Deep, painful pimples on the chin, jawline and neck. You look in the mirror and ask yourself what you are doing wrong. Perhaps you have already seen a dermatologist, changed your skincare routines, cut out sugar. Some things helped a little. But the pattern stayed.
In this article, we look behind this pattern. We understand how hormonal acne develops at the cellular level, what role androgens, insulin and the growth factor IGF-1 play, and why the gut has a say through the gut-skin axis. We frame post-pill acne, that is, the flare after stopping the pill. And I show you what, by current research, may help address hormonal acne from within, honestly framed and without miracle promises.
What hormonal acne actually is
Acne is a chronic inflammatory condition of the pilosebaceous unit, that is, the small unit of hair follicle and sebaceous gland. In hormonal acne, the development is especially strongly shaped by sex hormones. The typical pattern in adult women differs from classic puberty acne. Instead of the T-zone on the forehead and nose, it often affects the lower third of the face on the chin, jawline and neck. The pimples sit deeper, are more inflammatory and frequently fluctuate with the cycle.
Acne in adulthood is more common than many people think, and it affects women considerably more often than men. It can persist from youth or appear for the first time after the age of twenty. This is important to know, because many women experience this late onset as particularly unsettling. In the mind, acne is often seen as a teenage topic. When it appears at thirty or forty, it feels doubly unfair.
What shapes adult female acne
Systematic Review Anni Telkkälä and colleagues evaluated twenty studies on the development of acne in adult women in Health Science Reports in 2025. Their conclusion: above all an excess of androgen action, a family history and a high-glycaemic diet appear to be linked with acne in adulthood. Androgens prompt the sebaceous glands to grow and to produce more sebum. A high-glycaemic diet raises insulin, which in turn raises the growth factor IGF-1, which can help drive the sebaceous gland, the keratinisation and androgen production.
Telkkälä A, Sinikumpu SP, Huilaja L. Health Sci Rep. 2025;8(5):e70697. doi:10.1002/hsr2.70697 · PMID: 40309637
A calm framing matters right at the start. Hormonal acne does not necessarily mean that something is wrong with your hormone levels. In many women the blood values are within the normal range, and the sebaceous glands simply respond very sensitively to the normal ups and downs of the cycle. And now you know why a single unremarkable hormone value does not disprove the symptoms.
The four drivers of acne formation at the cellular level
For a pimple to form, several things have to come together. In clinical psychoneuroimmunology, KPNI for short, we look not only at what is visible at the skin surface, but at the mechanisms beneath it. Four factors classically work together, and metabolism sits at the table as an amplifier.
Androgens and sebum
Androgens bind to receptors in the sebaceous glands and prompt them to produce more sebum. This oily sebum is the substrate for everything that follows. There does not always have to be an elevated androgen level in the blood. A sensitive response of the sebaceous glands to normal amounts of androgens can also help drive acne. This is how the first building block forms, without a lab value having to be abnormal.
Keratinisation and blockage
In the sebaceous duct, the keratinisation changes. Skin cells no longer shed cleanly but stick together with the sebum and block the outlet. This is how the comedo, the blackhead, forms. It is the silent precursor from which an inflammatory pimple can later develop. This disturbed keratinisation is one of the reasons why pure surface cleansing often is not enough.
Bacteria in the sebum environment
In the blocked, sebum-rich duct, the skin bacterium Cutibacterium acnes multiplies. It belongs to the normal skin flora but can multiply strongly in the oily environment and irritate the immune system. This is not a classic infection but an imbalance of the skin flora. That is why it is less about cleanliness than about the environment in which these bacteria live.
Inflammation as the common denominator
At the end stands inflammation. It turns the silent blackhead into the red, painful pimple. Insulin and the growth factor IGF-1 act as an amplifier here, because they can drive sebum production and androgen action via cellular switching points. This is how the circle from metabolism to skin closes.
IGF-1 as a central switching point of acne formation
Review Tian-Xin Cong and colleagues described the four pillars of acne formation in the Archives of Dermatological Research in 2019: increased and altered sebum production, disturbed keratinisation, Cutibacterium acnes and inflammation. The central hormones are androgens, insulin and IGF-1. The authors highlight the IGF-1 signalling pathway via the switching points PI3K, Akt and mTORC1 as especially important. They also point out that a diet without strongly blood-sugar-raising carbohydrates and without milk and dairy products could be favourable in the treatment of acne.
Cong TX, Hao D, Wen X, et al. Arch Dermatol Res. 2019;311(5):337-349. doi:10.1007/s00403-019-01908-x · PMID: 30859308
Hormonal acne is not a sign of poor hygiene and not proof that you are doing something wrong. It is the visible response of your sebaceous glands to an inner interplay of hormones, metabolism and the immune system. That is good news, because it means there are more points of leverage than just scrubbing at the skin surface.
The role of androgens and insulin
If you want to understand hormonal acne from within, there is no way around the androgens. They are the central hormonal drivers. Androgens such as testosterone and its more potent form bind to the sebaceous glands and turn up sebum production. In women whose sebaceous glands respond particularly sensitively, a normal amount of androgens is already enough. In polycystic ovary syndrome, PCOS for short, androgen action is often genuinely elevated, which is why acne is very common there.
The second major player is metabolism. If blood sugar rises quickly after heavily sugar-laden meals, the body releases a lot of insulin. Insulin and the closely related growth factor IGF-1 act not only in sugar and growth metabolism. They can also stimulate the sebaceous gland and strengthen androgen production. This creates a bridge from the plate to the skin. It is precisely this bridge that is the reason why, in hormonal acne, blood sugar should be kept in view.
This connection is not a side topic. It is the same mechanism that also plays a role in PCOS and insulin resistance. Anyone wanting to understand this interplay will find the deeper dive in the article on insulin resistance and hormones in women and in the article on PCO syndrome. And now you know why hormonal acne is so often mentioned in the same breath as blood sugar.
"I have acne, so my testosterone is too high." That does not have to be true. Many women with hormonal acne have completely normal androgen values in the blood. What matters is often not the level in the blood, but how sensitively the sebaceous glands respond to androgens locally. An unremarkable lab result therefore does not rule out a hormonally co-driven acne. With additional signs such as an irregular cycle or increased hair growth, a targeted assessment is nonetheless worthwhile.
The gut-skin axis: why the gut has a say
Here it gets interesting, and here part of the certain knowledge also ends. In recent years, research has taken a closer look at the so-called gut-skin axis. The idea: gut and skin are in constant exchange via the immune system. An altered gut flora and an irritated, permeable gut barrier could promote low-grade inflammatory processes that in the end also show on the skin.
From the perspective of KPNI, this is a logical thought, because the immune system is one of the four lenses through which we look at every chronic inflammatory process. If the gut continuously irritates the immune system, this can raise the tendency to inflammation throughout the body. And inflammation is, as we have seen, the common denominator of acne formation.
How the gut could influence the skin environment
Review Pedro Sánchez-Pellicer and colleagues summarised the state of research on the gut-skin axis in acne in Microorganisms in 2022. They describe a reciprocal connection between gut flora and skin balance, mediated above all via the immune system. Studies suggest that oral probiotics could act favourably via an anti-inflammatory response, support of the gut barrier and metabolic pathways around IGF-1. The authors emphasise, however, that controlled clinical studies are still rare and that probiotics should continue to be researched for now as an addition or alternative.
Sánchez-Pellicer P, Navarro-Moratalla L, Núñez-Delegido E, et al. Microorganisms. 2022;10(7):1303. doi:10.3390/microorganisms10071303 · PMID: 35889022
A further review by Md Rayhan Mahmud and colleagues in Gut Microbes in 2022 also describes how an imbalance of the gut flora could act on various skin conditions via the immune system, including acne (doi:10.1080/19490976.2022.2096995, PMID: 35866234). A review by Shivani Sinha and colleagues in Clinics in Dermatology in 2021 adds that nutrition-based approaches and oral probiotics could be a supportive building block via the gut-skin axis (doi:10.1016/j.clindermatol.2021.08.021, PMID: 34785010).
I want to mark the boundary honestly here. Much of this is mechanistically plausible and supported by early data, but not yet proven by large controlled human studies. Anyone wanting to dive deeper into the gut topic will find more in the article on the holistic gut reset. And now you know why the gut is worth a thought in stubborn acne, without it being the sole explanation.
Post-pill acne: the flare after stopping
One topic that surprises many women is the acne after stopping the pill. Many combined pills act against acne in two ways. They lower androgen action, and they raise a binding protein in the liver that catches free androgens. As long as the pill is running, sebum production therefore often stays low, and the skin stays clear in many women.
When you stop the pill, this dampening effect falls away. The ovaries resume their own hormone production, and during this transition phase the sebaceous glands can respond more strongly to androgens. In some women the acne then flares clearly, often some months after stopping. This is called post-pill acne. Frequently a predisposition to acne had only been suppressed for years and now becomes visible again.
Post-pill acne is not a step backwards and not a sign that something is fundamentally wrong with your body. It is a transition phase in which your hormone system finds its own rhythm again. This phase is temporary in many women. It is worth having it accompanied medically and supporting the whole system, rather than reaching prematurely for the next hormone treatment.
What exactly happens in the body after stopping the pill is something I explore in its own article, stopping the pill: what happens in the body. If the contraception itself causes symptoms, it is also worth a look at hormone-free contraception compared. And now you know why a calm, accompanied transition is often better than an abrupt switch.
What may help by current research
Let us turn to action. First the honest framing: there is no single miracle cure against hormonal acne. A sustainable path usually addresses several levels at the same time and needs patience. The following points are a direction, not a treatment plan. The individually fitting path is found with medical guidance.
A first point of leverage is blood sugar. Several randomised controlled trials suggest that a diet with a low glycaemic load could favourably influence acne symptoms.
Low glycaemic load and acne symptoms
RCT, n=43 Robyn Smith and colleagues investigated over twelve weeks in the American Journal of Clinical Nutrition in 2007 how a diet with a low glycaemic load affects acne. In the group with a low glycaemic load, the skin changes regressed more strongly than in the control group, and insulin sensitivity also improved more clearly. A Korean study by Hyuck Hoon Kwon and colleagues in Acta Dermato-Venereologica in 2012 found, fittingly, smaller sebaceous glands and less inflammation in skin samples under a diet with a low glycaemic load.
Smith RN, Mann NJ, Braue A, et al. Am J Clin Nutr. 2007;86(1):107-115. doi:10.1093/ajcn/86.1.107 · PMID: 17616769 · Kwon HH et al. Acta Derm Venereol. 2012;92(3):241-246. doi:10.2340/00015555-1346 · PMID: 22678562
The honest framing matters: not all studies are consistent. A smaller randomised study by Martha Morales-Sánchez and colleagues in the International Journal of Dermatology in 2022 found an advantage with an additional dietary change over twelve weeks (doi:10.1111/ijd.16418, PMID: 36030545), while another study saw no clear effect on the pimple count. Overall, however, the research suggests that a stable blood sugar can be a sensible building block.
A second, still young point of leverage is probiotics via the gut-skin axis.
Probiotics as an addition to acne therapy
RCT, n=80 Najmolsadat Atefi and colleagues tested in the Journal of Cosmetic Dermatology in 2024, in 80 people with moderate acne, whether a probiotic in addition to standard therapy changes anything. Both groups received the same topical treatment and an antibiotic. The group with the additional probiotic showed a better response in some facial regions and a stronger reduction in severity, without side effects occurring. The authors frame probiotics as a possible safe addition, not as a replacement for the established therapy.
Atefi N, Mohammadi M, Bodaghabadi M, et al. J Cosmet Dermatol. 2024;24(1):e16614. doi:10.1111/jocd.16614 · PMID: 39410868
A third point concerns the medical therapy itself. In hormonally driven acne in adult women, there are medications that target the androgen action of the sebaceous glands specifically. In a multicentre, double-blind randomised study, such an agent performed better in moderate acne in adult women after six months than a commonly used antibiotic, and was well tolerated (Dréno 2024, Acta Dermato-Venereologica, doi:10.2340/actadv.v104.26002, PMID: 38380975). Such decisions belong in medical hands, because they need careful weighing and accompaniment.
Here are three levers that can support the whole system, meant as an entry point, not as a recipe.
Keep your blood sugar calm across the day
Regular meals rich in protein and fibre keep blood sugar and insulin more stable. Because insulin and IGF-1 can help fuel sebum production, a calm blood sugar could relieve the skin. You do not have to eat perfectly. Even cutting out the biggest sugar spikes and a more conscious handling of dairy products can be a sensible first step.
Protect your nervous system and gut
Persistent stress keeps the stress axis active and can raise the tendency to inflammation via the immune system. Real recovery windows, sleep and a gut-friendly daily life with fibre and few heavily processed foods address exactly that. This is not a wellness extra but acts on mechanisms that play a part in acne formation.
Have the whole system assessed
If acne persists, becomes scarring or comes with other signs of a hormone disorder, an assessment belongs to it that looks at androgens, the cycle and signs of PCOS. This is how treatable causes can be found, rather than viewing the skin in isolation. A good assessment combines dermatological therapy with attention to the inner players.
Your skin is not an enemy, it is a messenger
Hormonal acne is rarely a failure of your skin. It is often the visible response to an inner conversation between hormones, metabolism and the immune system. When you understand this conversation and support the whole system, you give your skin the chance to settle. And you do not have to walk this path alone.
Frequently asked questions about hormonal acne
What is hormonal acne and how do I recognise it?
Hormonal acne is a form of acne whose development is strongly shaped by sex hormones, above all by androgens. It typically shows as deep, inflammatory pimples and nodules on the chin, jawline and neck, often just before the period. While teenage acne tends to affect the T-zone, adult acne in many women appears in the lower third of the face. It can fluctuate with the cycle and respond to stress. One thing matters: hormonal acne does not necessarily mean something is wrong with your hormone levels. In many women the hormones are within the normal range, and the skin simply responds very sensitively to the normal ups and downs of the cycle. Persistent or new symptoms belong in a medical assessment.
How does hormonal acne develop at the cellular level?
Four factors work together. First, androgens prompt the sebaceous glands to produce more sebum. Second, the keratinisation in the sebaceous duct changes, so that it becomes blocked. Third, the skin bacterium Cutibacterium acnes multiplies in the sebum-rich environment. Fourth, inflammation arises. Insulin and the growth factor IGF-1 act as amplifiers here, because they can drive sebum production and androgen action. From the perspective of clinical psychoneuroimmunology, hormonal acne is therefore not an isolated skin problem but the visible end of an interplay of hormones, metabolism and the immune system. This explains why the skin can change when you address the whole system.
What can I do about hormonal acne?
It makes sense to look at several levels rather than at a single remedy. A stable blood sugar across the day could dampen the insulin and IGF-1 drive that helps fuel sebum production. A medical assessment looks at androgens, the cycle and signs of PCOS, rather than viewing the skin in isolation. Skincare and dermatological therapy still have their firm place. In moderate acne in adult women, one study showed that a medication directed against androgen action can perform well. The honest framing matters: there is no single miracle cure, and a sustainable path usually needs patience and medical guidance.
What role do androgens play in hormonal acne?
Androgens are the central hormonal drivers of acne. They bind to receptors in the sebaceous glands and prompt them to produce more sebum. This sebum provides the substrate for the further steps of acne formation. One point matters: there does not always have to be an elevated androgen level in the blood. A sensitive response of the sebaceous glands to normal amounts of androgens can also play a role. In polycystic ovary syndrome, androgen action is often genuinely elevated, which is why acne is common there. A systematic review of adult female acne names hyperandrogenism, a family history and a high-glycaemic diet as the most strongly linked factors.
What does the gut have to do with acne?
Through the so-called gut-skin axis, the gut and skin are in constant exchange, mediated above all via the immune system. An altered gut flora and an irritated gut barrier can promote low-grade inflammatory processes that could also show on the skin. Review articles describe that the gut flora could act on the skin via inflammatory messengers and via metabolic pathways such as IGF-1. Early controlled studies with probiotics as an addition to standard therapy showed positive signals. The evidence, however, is still thin, and the mechanisms are not fully understood. So it is a promising but still young field of research, not a proven treatment recipe.
Why do I get acne after stopping the pill?
Many combined pills lower androgen action and thereby keep sebum production low. When you stop the pill, this effect falls away. The ovaries resume their own hormone production, and during this transition phase the sebaceous glands can respond more strongly to androgens. This can lead to a flare of acne, the so-called post-pill acne. In some women a predisposition to acne had only been suppressed by the pill for years and now becomes visible again. The calm framing matters: this phase is usually temporary, and it is worth supporting the whole system rather than reaching prematurely for the next hormone treatment. Medical guidance can be very helpful here.
Can nutrition influence hormonal acne?
There are indications of this. Several randomised controlled trials suggest that a diet with a low glycaemic load could favourably influence acne symptoms. The idea behind it: a low glycaemic load keeps blood sugar and insulin calmer, and less insulin and IGF-1 could dampen sebum production and androgen action. The studies are not all consistent, some found no clear advantage. Overall, however, the research suggests that nutrition-related lifestyle factors could play a role in acne. This does not mean that nutrition alone explains acne or makes it disappear. It means that a stable blood sugar can be a sensible building block alongside skincare and medical therapy.
Do probiotics help with hormonal acne?
The research on this is still young but interesting. In a randomised controlled trial, people with moderate acne received a probiotic in addition to standard therapy or did not. The group with the probiotic showed a better response in some facial regions and a stronger reduction in severity, without side effects occurring. This fits the picture of the gut-skin axis, through which the gut could influence the skin environment. The sober framing matters: these are individual studies, often as an addition to dermatological therapy, not as a replacement. Probiotics could therefore be a supportive building block, but they are not a proven standalone acne remedy. The use should be discussed with a doctor beforehand.
When should I see a doctor about hormonal acne?
You should have acne medically assessed if it persists, becomes scarring, burdens you psychologically, or comes with further signs of a hormone disorder, such as irregular cycles, increased hair growth on the face and body, hair loss on the head, or weight gain. Such combinations can point to polycystic ovary syndrome or other hormonal causes that deserve a targeted assessment. Very sudden, severe acne should also be examined promptly. Acne is often linked with anxiety and low mood, which is not vanity but something to take seriously. A good assessment looks at the whole system and takes your symptoms seriously, rather than dismissing them as a purely cosmetic problem.
Is hormonal acne the same as acne in puberty?
The basic mechanisms are similar, but there are differences. Puberty acne is also hormonally influenced, because androgens rise during this phase. Adult female acne, however, often has a different pattern: it more frequently affects the lower third of the face on the chin and jawline, runs more stubbornly, and is more closely interwoven with the cycle, with stress and with metabolic factors. A systematic review describes that adult female acne has several influencing factors at the same time, which can make its treatment more demanding. It also often appears for the first time in adulthood or persists from youth. That is why it deserves its own careful look.
Can I address hormonal acne without medication?
Lifestyle factors can make a meaningful contribution, but they do not in every case replace a medical therapy. A stable blood sugar, a protected nervous system and attention to gut health address mechanisms that are involved in acne formation. In mild, cyclically fluctuating acne this can already make a difference. In moderate or scarring acne, a medical and dermatological therapy is important so that no lasting scars develop. The two paths do not exclude each other, on the contrary. An integrative view combines solid dermatological treatment with attention to the inner players. The individually fitting path is best found with medical guidance, rather than experimenting on your own.
All topics in the "Hormone Guide" cluster
Hormonal acne is part of the connected hormone system. Here you find the related topics and the way back to the pillar.
- Hormonal Imbalance in Women (overview/pillar)
- Estrogen Dominance: recognise symptoms and address them naturally
- Xenoestrogens: hormone disruptors in everyday life
- Stopping the pill: what happens in the body
- Progesterone deficiency: symptoms and testing
- PMS: symptoms and what can ease them
- PMDD: when PMS hits the psyche
- Perimenopause: symptoms and when it begins
- Menopause: symptoms and what can help
- PCO syndrome: causes and symptoms
- Hormonal Acne From Within
- Endometriosis: an integrative view
- Hormone-free contraception compared
- Loss of libido in women
- Testing hormones: which test, when
- Lowering estrogen naturally (the liver)
- Cycle-based nutrition
- The thyroid and female hormones
- Insulin resistance and hormones
- Cortisol, stress and female hormones
- Chasteberry and herbal hormone helpers
Connections to other topics
Acne is often part of a larger hormonal picture. This is about the ratio of estrogen and progesterone and why it can help drive symptoms.
Through the gut-skin axis, an irritated gut barrier can raise the tendency to inflammation that plays a part in acne formation.
Persistent stress can raise inflammation via the immune system and thereby also influence stubborn skin symptoms.
Androgens help drive acne, a deficiency can cause other symptoms. An honest framing of why balance counts, not the extreme.
Sources and further reading
- Telkkälä A, Sinikumpu SP, Huilaja L. Etiology of Adult Female Acne. Health Sci Rep. 2025;8(5):e70697. doi:10.1002/hsr2.70697 · PMID: 40309637 [Systematic Review]
- Cong TX, Hao D, Wen X, et al. From pathogenesis of acne vulgaris to anti-acne agents. Arch Dermatol Res. 2019;311(5):337-349. doi:10.1007/s00403-019-01908-x · PMID: 30859308 [Review]
- Bagatin E, Freitas THP, Rivitti-Machado MC, et al. Adult female acne: a guide to clinical practice. An Bras Dermatol. 2019;94(1):62-75. doi:10.1590/abd1806-4841.20198203 · PMID: 30726466 [Review]
- Li Y, Hu X, Dong G, et al. Acne treatment: research progress and new perspectives. Front Med (Lausanne). 2024;11:1425675. doi:10.3389/fmed.2024.1425675 · PMID: 39050538 [Review]
- Sánchez-Pellicer P, Navarro-Moratalla L, Núñez-Delegido E, et al. Acne, Microbiome, and Probiotics: The Gut-Skin Axis. Microorganisms. 2022;10(7):1303. doi:10.3390/microorganisms10071303 · PMID: 35889022 [Review]
- Mahmud MR, Akter S, Tamanna SK, et al. Impact of gut microbiome on skin health: gut-skin axis. Gut Microbes. 2022;14(1):2096995. doi:10.1080/19490976.2022.2096995 · PMID: 35866234 [Review]
- Sinha S, Lin G, Ferenczi K. The skin microbiome and the gut-skin axis. Clin Dermatol. 2021;39(5):829-839. doi:10.1016/j.clindermatol.2021.08.021 · PMID: 34785010 [Review]
- Smith RN, Mann NJ, Braue A, et al. A low-glycemic-load diet improves symptoms in acne vulgaris patients: a randomized controlled trial. Am J Clin Nutr. 2007;86(1):107-115. doi:10.1093/ajcn/86.1.107 · PMID: 17616769 [RCT]
- Kwon HH, Yoon JY, Hong JS, et al. Clinical and histological effect of a low glycaemic load diet in acne vulgaris: a randomized, controlled trial. Acta Derm Venereol. 2012;92(3):241-246. doi:10.2340/00015555-1346 · PMID: 22678562 [RCT]
- Morales-Sánchez MA, Camacho-Rosas LH, García-Becerril I, et al. Effect of adding a low glycemic load and index diet over 12 weeks in moderate acne: a randomized controlled trial. Int J Dermatol. 2022;62(1):e39-e42. doi:10.1111/ijd.16418 · PMID: 36030545 [RCT]
- Dréno B, Nguyen JM, Hainaut E, et al. Efficacy of Spironolactone Compared with Doxycycline in Moderate Acne in Adult Females (FASCE Study). Acta Derm Venereol. 2024;104:adv26002. doi:10.2340/actadv.v104.26002 · PMID: 38380975 [RCT]
- Atefi N, Mohammadi M, Bodaghabadi M, et al. Probiotic Supplementation in Combination With Doxycycline for Moderate Acne: A Randomized Double-Blind Controlled Clinical Trial. J Cosmet Dermatol. 2024;24(1):e16614. doi:10.1111/jocd.16614 · PMID: 39410868 [RCT]