Topic · 26 articles

Modern habits

Antibacterial soap, sanitizer, phone screens, flights — the sterile life and its cost.

Reference5 min read

Antibiotics and the Skin Microbiome: What You Need to Know

How topical and oral antibiotics affect the skin microbiome, their impact on beneficial bacteria, and what happens after treatment ends.

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Story5 min read

Are AC, Wi-Fi, and Sealed Windows Starving Your Skin Microbes?

Modern buildings filter the outdoors away. Your skin microbiome might be paying the price.

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Story4 min read

Are We Still Paying for the Beauty Routines of the 1950s?

How postwar antibacterial mania reshaped the skin microbiome of an entire generation—and may still be affecting yours.

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Story5 min read

Do You Really Share a Skin Microbiome With the People You Live With?

Cohabiting couples share more than a bathroom—they share microbes. Here's what science says about microbial intimacy.

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Story4 min read

Does Frequent Hand Sanitizer Use Damage Your Skin Microbiome?

What happens to the microbes on your hands when you sanitize five times a day? The answer is stranger than you'd think.

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Reference4 min read

Hard Water and the Skin Microbiome: What You Need to Know

Hard water alters skin pH and lipid chemistry, potentially disrupting the skin microbiome. Learn how mineral content affects bacterial communities.

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Story5 min read

Hard Water vs. Soft Water: Which One Does Your Skin Microbiome Prefer?

The calcium in your shower water shapes which bacteria thrive on your face—and why moving cities can trigger breakouts.

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Story5 min read

How Antibacterial Soap Reshaped a Generation's Skin

Triclosan promised germ-free hands. Instead, it quietly rewired the bacterial communities living on millions of faces.

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Story5 min read

How Chlorinated Pools Disrupt Your Skin's Microbial Balance

One hour in a chlorinated pool strips away your skin's protective microbes. Here's what happens next—and why it takes days to recover.

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Story4 min read

How City Air Is Quietly Changing the Bacteria on Your Face

Urban pollution doesn't just dirty your skin—it rewrites the microbial communities living on it. Here's what researchers found.

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Featured8 min read

How to Improve Your Skin Microbiome: A Science-Backed Guide

Your skin microbiome is the key to healthy skin. Here are the proven, science-backed steps to restore balance.

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Featured10 min read

How to Use Your Superbiome System (Hint: Do Less)

Minimal inputs, maximum repair. How to use a microbiome-native routine the way it was designed.

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Story4 min read

Is Alcohol on the Skin Ever Actually Safe for Your Microbiome?

Alcohol kills 99.9% of bacteria. But your skin needs bacteria to stay healthy. Here's what actually happens when the two collide.

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Story4 min read

Is Over-Washing Your Face Causing the Exact Problem You're Trying to Fix?

Your skin's microbial defenses reset after every wash. Some bacteria are gone for 24 hours. Others bloom back wrong.

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Reference5 min read

Pollution and the Skin Microbiome: What Research Shows

How air pollution affects the skin microbiome, altering bacterial diversity and skin barrier function. Evidence-based review of environmental impacts.

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Featured8 min read

The At-Home Skin Microbiome Test: What It Is, How It Works, and What It Tells You

What an at-home microbiome test involves, how the science works, and what your results mean.

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Featured12 min read

The Silent Extinction of the Skin Microbiome

Your skin used to be a rainforest. Now it's a parking lot. An extinction event is happening on every square inch of your skin.

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Featured8 min read

We Got Too Clean

Germ theory saved the world, then we took it too far. 150 years of sanitization, and the ecosystem we're only just learning we need.

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Story5 min read

Westernization and Skin: Which Microbes Did We Lose When We Moved Indoors?

What happened to our skin bacteria when we traded open air for climate control, soil for sanitizer, and sunlight for fluorescents?

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Story6 min read

What Hunter-Gatherer Skin Reveals About Our Modern Microbiome

Swab a Hadza forager's skin and you'll find species city dwellers lost generations ago. What happened—and does it matter?

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Story4 min read

What Long-Haul Flights Do to Your Skin Microbiome

Cabin air drops humidity to desert levels. Your skin's microbial ecosystem responds in hours—not days.

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Story5 min read

Why 'Squeaky Clean' Skin Isn't Actually Healthy Skin

That tight, fresh-scrubbed feeling? It's not purity—it's your skin's ecosystem in distress. The science of what 'clean' actually costs.

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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

Why Your Dog's Skin Microbiome Starts to Look Like Yours

Living with a dog doesn't just change your routine—it quietly reshapes the bacterial community living on your skin.

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Featured7 min read

Why Your Skincare Routine Isn't Working (And What the Microbiome Has to Do With It)

The gut-health inflection point is happening again in skincare. Here's what it means for your routine.

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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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