PCOS & Acne: New Research Explains Why Breakouts Are So Stubborn
Acne can feel like an unfair extra burden for women with PCOS - especially when it’s persistent, painful, or normal skincare is just not working for you. A new 2025 scientific review pulled together findings from hundreds of studies to explain why acne behaves differently in PCOS. What it shows is powerful: PCOS acne isn’t random or purely cosmetic. It’s driven by deeper hormonal and metabolic patterns that change the way the skin functions at every level.
If you’ve ever felt like your PCOS acne has a “mind of its own,” this research helps connect the dots (and will help you to manage your skin concerns).
1. Androgens change the skin’s behaviour
High androgens (like testosterone & DHT) don’t just increase oil - they actually transform how the entire follicle works. They:
- Tell oil glands to produce more sebum
- Make the oil thicker and stickier
- Disrupt normal shedding of dead skin → clogged pores
- Increase local inflammation inside the follicle
➡️ More oil + sticky pores + inflammation = perfect storm for acne.
2. Insulin resistance quietly fuels “hormonal skin”
The review emphasises that insulin resistance is not just a blood sugar issue — it’s a major skin driver. High insulin levels:
- Trigger the ovaries to produce more androgens
- lower SHBG → meaning more free, active testosterone
- Increase IGF-1 → which boosts sebum production and inflammation
➡️ When insulin rises, skin oil production rises too.
3. Stress in the body turns up inflammation (and breakouts)
PCOS creates a “pro-inflammatory” environment. The review shows that chronic inflammation and oxidative stress:
- increase sensitivity of skin cells to androgens
- worsen redness and deeper, painful breakouts
- make blemishes heal more slowly
➡️ Inflammation makes acne stickier, angrier, and harder to calm.
4. Gut imbalances may indirectly worsen PCOS acne
Emerging research summarised in the review shows that gut dysbiosis can:
- release inflammatory endotoxins into circulation
- worsen insulin resistance
- raise inflammatory markers
All of which feed directly into androgen excess → acne.
➡️ A stressed gut can indirectly lead to stressed skin.
5. Why PCOS acne is more common (and more persistent)
The review reports acne affects 40–70% of women with PCOS — double the rate of women without PCOS.
This higher rate is because PCOS often combines:
- androgen excess
- insulin resistance
- inflammation
- altered skin cell turnover
- metabolic and gut shifts
➡️ PCOS layers multiple acne triggers at once — which is why it feels more stubborn.
I am so relieved that there is good quality research like this that highlights the very specific issues that women with PCOS have with their skin. It is not a simple fix that others deal with. Time and time again we are reminded that identifying the root cause of your PCOS is the key to managing your symptoms (like acne) and finally reducing androgens which are perpetuating these skin issues. If you are unsure of your PCOS type you are welcome to take a look at the free PCOS Type Quiz or check out my more comprehensive book The PCOS Repair Protocol, where you learn to identify your root cause and learn the most effective core-strategies to support your hormones.