Hormonal Acne: Causes and What Helps

Clear skin in puberty, and then suddenly in your late 20s the first deep pimples on your chin? You're not alone. Around 22 percent of women are affected by acne even in adulthood, often cyclically and in the lower face area. This article explains why hormones are behind it and which approaches are truly supported by research.

Key takeaways

Hormonal acne is primarily caused by androgens, which increase sebum and keratinization, often locally in the skin. The best-supported treatments are a low-glycemic diet and reduced dairy intake. Zinc and plant extracts are promising but uncertain. For significant distress, the skin should be medically evaluated.

What it's about

The skin is a hormonal organ

This form is referred to as adult female acne and is increasingly understood as hormonal, with androgens as a central factor. The skin is not only a target organ but also produces and regulates hormones itself. In this article, we honestly categorize causes and approaches based on evidence.

22 %

of women are affected by acne even as adults

U-zone

Chin and jawline are typical areas for hormonal acne

before period

the most common time for cyclical breakouts

How do hormones cause skin blemishes?

Androgens like testosterone and dihydrotestosterone (DHT) play the main role in the development of hormonal acne. Important: The skin is not just a passive receiver, but partially produces and activates these hormones itself. Androgens can therefore act locally in the skin, even if androgen levels in the blood are completely normal. This explains why many women with blemish-prone skin have normal blood values. The local skin environment is crucial.

Androgens stimulate the sebaceous glands to produce more sebum and promote the keratinization of skin cells. Both together clog the pores. In this oily environment, the bacterium Cutibacterium acnes multiplies and causes inflammation, leading to blackheads, pustules, and inflamed nodules.

Not all hormonal acne means too many hormones. Often, the skin is just more sensitive to them.

Women with polycystic ovary syndrome (PCOS) are particularly susceptible because they often also have systemically elevated androgen levels. However, hormonal acne doesn't only affect them: even with normal blood values, increased skin sensitivity to androgens can lead to blemishes.

Did you know that

stress also affects the skin? Under stress, the body releases more cortisol, which can make the sebaceous glands more active and shift the androgen balance. Poor sleep and chronic stress often show up on the skin.

What types of hormonal acne are there?

Not all hormonal acne is the same. This classification helps you understand what's going on with you:

Cyclical Acne: Blemishes that regularly appear before your period, usually on the chin and jawline. Very common and often harmless.
Acne in PCOS: Accompanied by irregular cycles, increased body hair, or hair loss. Systemically elevated androgens are often present here.
Post-Pill Acne: After discontinuing hormonal birth control, when the skin is readjusting. Often improves after a few months.
Acne in Perimenopause: When estrogen declines and androgens relatively predominate, new blemishes can also appear in your 40s.

If your acne is accompanied by an irregular cycle, severe hair growth, or hair loss, it's worth looking into PCOS and androgens. We have separate articles on this, for example, how you can naturally influence your testosterone levels.

What influence does diet have?

Diet is one of the most well-studied lifestyle factors in acne. A systematic review from 2025 with GRADE assessment consistently confirms two associations: a high glycemic load and high milk consumption are associated with more severe acne.

Glycemic Load and Sugar

Foods with a high glycemic index, i.e., sugar and highly processed carbohydrates, cause blood sugar to rise quickly. This increases insulin and insulin-like growth factor IGF-1, which in turn can stimulate androgen production and sebum formation. A diet with a low glycemic load, rich in vegetables, legumes, and whole grains, is described positively in studies.

Dairy Products

Several studies link low-fat milk and high milk consumption in particular to acne. This doesn't mean you have to cut out milk completely. However, a conscious approach and trying plant-based alternatives for a few weeks can be worthwhile if your skin reacts strongly.

Omega-3 and the Fatty Acid Ratio

A Western diet with a lot of omega-6 and little omega-3 is associated with increased inflammatory processes. Omega-3 fatty acids from fatty fish, flaxseed, or walnuts are discussed for their anti-inflammatory properties. The direct evidence for acne here is weaker than for sugar and milk, but the safety profile is good.

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What really helps according to studies?

Here, we differentiate between what is well-substantiated and what is promising but uncertain. This honesty is important to us because the opposite often happens online.

Well-substantiated

Low-glycemic diet and less dairy:the best-supported nutritional levers.
Topical active ingredients:Salicylic acid, retinoids, and niacinamide are established building blocks of skincare for blemished skin.
Clascoterone 1 percent (Winlevi):a newer topical anti-androgen cream. A 2024 network meta-analysis showed significant improvement over placebo. It directly blocks androgen receptors in the skin and requires a prescription.

Promising, but uncertain

Zinc:Studies often find lower zinc levels in acne, and oral zinc shows some effect. However, the evidence is not clear-cut and weaker than for prescription active ingredients.
Plant compounds like quercetin, resveratrol, and EGCG:antioxidant and anti-inflammatory in research, but clinical data for acne is still sparse.
Probiotics:the gut-skin axis is an exciting field, but the evidence is preliminary.
Omega-3:plausible and low-risk, direct acne evidence still limited.

Prescription and effective, but with considerations

For pronounced hormonal acne, doctors also rely on systemic therapies such as spironolactone or combined oral contraceptives. These can be very effective but have side effects and should be administered by a doctor. They are not a first step for a few pimples but a real option when the skin is severely affected.

Skincare: less is more

Choose fragrance-free cleansing and care with a short, transparent ingredient list. Proven active ingredients for blemished skin include salicylic acid (opens pores), niacinamide (calms, regulates sebum), squalane (strengthens the barrier), and vitamin C (antioxidant). For mechanical cleansing, the rule is: gentle instead of aggressive. Too much peeling irritates the skin and can worsen impurities.

How long does it take for something to happen?

The skin renews itself over several weeks, and hormonal changes take time. Realistically plan for eight to twelve weeks for dietary changes and new care before assessing an effect. Quick miracles are unrealistic; patience and consistency pay off.

The most important things at a glance

Androgens are key:They increase sebum and keratinization, often locally in the skin even with normal blood values.
Diet matters:Low glycemic load and less dairy are the best-documented levers.
Honest about supplements:Zinc and plant compounds are promising but not clearly proven.
Plan for patience:Eight to twelve weeks before you assess an effect.
For severe distress:PCOS, absent cycle, or severe acne should be medically evaluated.

More than a few pimples? We'll take a look together

If your skin condition is accompanied by irregular cycles, suspected PCOS, or significant distress, it's about more than just skincare. In a personal video consultation, we medically assess your situation, without making any promises.

Book a consultation

Conclusion

Hormonal acne is more than just a cosmetic problem, and it's not a sign of poor hygiene. It arises from the interplay of androgens, sebum, skin microbiome, and lifestyle. The good news is that many factors can be influenced. A low-glycemic, anti-inflammatory diet, gentle skincare, and patience form the basis. Micronutrients can supplement but do not replace medical treatment if the skin is severely affected.

If your blemishes are accompanied by an irregular cycle or other signs of androgen excess, take a closer look. Your skin is often an honest window into your hormonal balance.

Common Questions About Hormonal Acne

How do I know if my acne is hormonal?

Hormonal acne typically appears on the lower third of the face, on the chin and jawline, often as deep, painful blemishes, and frequently cyclically before your period. If your acne is accompanied by an irregular cycle, increased hair growth, or hair loss, an excess of androgens, as seen in PCOS, may be the cause and should be medically investigated.

Does zinc help with hormonal acne?

Studies frequently find lower zinc levels in acne, and oral zinc shows some efficacy. However, the evidence is not conclusive and is weaker than for established topical agents. Zinc can be a useful supplement, but it does not replace medical treatment for severe acne.

Sollte ich bei hormoneller Akne auf Milch verzichten?

Mehrere Studien bringen vor allem hohen Milchkonsum und fettarme Milch mit Akne in Verbindung. Ein kompletter Verzicht ist nicht zwingend nötig, aber ein bewusster Umgang lohnt sich. Du kannst pflanzliche Alternativen über einige Wochen ausprobieren und beobachten, ob deine Haut darauf reagiert.

Wie lange dauert es, bis sich die Haut bessert?

Die Haut erneuert sich über mehrere Wochen. Plane bei Ernährungsumstellungen und neuer Pflege realistisch acht bis zwölf Wochen ein, bevor du eine Wirkung beurteilst. Konsequenz ist hier wichtiger als schnelle, aggressive Maßnahmen.

Scientific Sources

Systematic Review with GRADE (2025). The Role of Glycemic Load, Dairy, and Fatty Acids in Acne: A Systematic Review and Meta-Analysis. Medicinus / UPH.
Basendwh M.A. et al. (2024). The efficacy of topical clascoterone versus systemic spironolactone for acne vulgaris: a systematic review and network meta-analysis. PLOS ONE, 19(5), e0298155. doi:10.1371/journal.pone.0298155
Vaidya T., Hoffman L., Chapas A. (2024). Evaluating common ingredients contained in dietary acne supplements: an evidence-based review. Journal of Clinical and Aesthetic Dermatology, 17(1), 34-41.
Meixiong J. et al. (2022). Diet and acne: a systematic review. JAAD International, 7, 95-112. doi:10.1016/j.jdin.2022.02.012
Ramsis T. et al. (2024). Molecular and hormonal mechanisms in acne pathogenesis.
Li Y. et al. (2024). Skin as an endocrine organ and androgen signalling in acne.

About the Author

Lisa Maria Emmer

Medical Doctor & Medical Director · Hormonic

Lisa Maria Emmer is co-founder and medical director at Hormonic. She specialises in cyclical health, PCOS, and menopause.

Note: This article is based on current guidelines and scientific work (as of 2026). It is for informational purposes only and does not replace medical advice, diagnosis, or treatment.

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Hormonal Acne in Women: Causes and What Really Helps