Topic · 17 articles

Acne

Breakouts, hormonal acne, fungal acne, and the microbes behind them.

Story5 min read

Could a Skin Microbiome Transplant Be the Future of Acne Treatment?

Researchers are swabbing clear skin and transplanting it onto acne-prone faces. Early results are quietly extraordinary.

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Reference4 min read

Cutibacterium acnes on Skin: Role in Health and Acne

Cutibacterium acnes is a dominant skin microbiome bacterium that supports barrier function but can also contribute to acne when imbalanced.

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Reference5 min read

Dairy and the Skin Microbiome: What the Science Shows

How dairy consumption may influence the skin microbiome through hormones, inflammation, and sebum production. Evidence-based analysis.

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Story5 min read

Face Mapping: Why Your Forehead and Cheeks Host Completely Different Bacteria

Your forehead is an oil field. Your cheeks are a desert. And the microbes living on each know the difference.

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Story5 min read

Is C. acnes Really the Bacteria Behind Your Breakouts?

The acne bacterium lives happily on clear skin too. So why do some people break out while others don't? The answer is strange.

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Reference4 min read

Malassezia and Fungal Acne: Causes and Mechanisms

How *Malassezia* yeast overgrowth triggers fungal acne (pityrosporum folliculitis) and disrupts the skin microbiome—mechanisms, triggers, and differences from bacterial acne.

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Featured7 min read

Skin Microbiome & Acne

How the bacteria on your skin drive or defuse acne, and what a microbiome-aware approach to breakouts actually looks like.

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Reference6 min read

Skin Microbiome and Acne: Bacterial Mechanisms Explained

How specific C. acnes strains, biofilms, and skin microbiome diversity shape acne development—the mechanism behind the bacteria, not just the association.

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Reference5 min read

Skin Microbiome and Fungal Acne: Causes & Treatment

How Malassezia yeast overgrowth disrupts the skin microbiome to cause fungal acne, plus evidence-based approaches to restore microbial balance.

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Reference5 min read

Skin Microbiome and Hormonal Acne: What Research Shows

How hormones reshape the skin microbiome and drive acne breakouts. Evidence-based guide to bacterial shifts during hormonal fluctuations.

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Reference5 min read

Skin Microbiome and Oily Skin: What the Science Shows

How the skin microbiome interacts with sebum production and why oily skin hosts distinct microbial communities that influence breakouts and skin health.

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Reference5 min read

Skin Oiliness and the Microbiome: What's the Connection?

How skin microbiome bacteria interact with sebum production and oiliness. Evidence-based guide to microbes, sebum, and greasy skin.

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Reference5 min read

Stress and the Skin Microbiome: How Cortisol Affects Skin Bacteria

Psychological stress alters the skin microbiome through cortisol and inflammation, affecting bacterial diversity and skin health. What the science shows.

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Reference5 min read

Sugar and the Skin Microbiome: How Diet Affects Your Skin

How dietary sugar influences the skin microbiome, sebum production, inflammation, and conditions like acne. Evidence-based guide to sugar's effects.

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Story4 min read

What Puberty Does to the Bacteria on Your Face

Puberty doesn't just change your skin — it completely replaces the bacteria living on it. Here's what happens, and why.

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Story5 min read

Why Hotel Sheets and Travel Water Trigger Breakouts

Your skin carries its hometown microbiome everywhere. Hotels, planes, and foreign water don't just disrupt your routine—they disrupt your bacteria.

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Story4 min read

Your Phone Screen Has a Microbiome — And It's Mostly Yours

Your phone's bacterial community is a mirror of your skin — and it follows you everywhere you go.

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Milieu's software analyzes user-submitted information, facial scan data, and skin microbiome samples using research-informed statistical models that evolve over time. The resulting Skin Report provides educational insights about patterns in your skin's living environment. It is not medical advice, a medical diagnosis, or a prediction of any past, present, or future health condition. Milieu is not a medical device, and our services are not intended to diagnose, treat, cure, mitigate, or prevent any disease or medical condition. Our products and reports are designed for cosmetic and general skin wellness purposes only. Do not use Milieu to make decisions regarding medications, supplements, medical testing, or treatment. If you have symptoms, a diagnosed condition, or health-related concerns, consult a licensed healthcare professional. Results may be influenced by sample collection technique, laboratory processes, environmental factors, biological variability, and model limitations, and may be incomplete or inaccurate. Reports should be interpreted as informational guidance and not relied upon as the sole basis for medical or healthcare decisions.

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