
Topic · 26 articles
Antibacterial soap, sanitizer, phone screens, flights — the sterile life and its cost.
How topical and oral antibiotics affect the skin microbiome, their impact on beneficial bacteria, and what happens after treatment ends.
Read articleModern buildings filter the outdoors away. Your skin microbiome might be paying the price.
Read articleHow postwar antibacterial mania reshaped the skin microbiome of an entire generation—and may still be affecting yours.
Read articleCohabiting couples share more than a bathroom—they share microbes. Here's what science says about microbial intimacy.
Read articleWhat happens to the microbes on your hands when you sanitize five times a day? The answer is stranger than you'd think.
Read articleHard water alters skin pH and lipid chemistry, potentially disrupting the skin microbiome. Learn how mineral content affects bacterial communities.
Read articleThe calcium in your shower water shapes which bacteria thrive on your face—and why moving cities can trigger breakouts.
Read articleTriclosan promised germ-free hands. Instead, it quietly rewired the bacterial communities living on millions of faces.
Read articleOne hour in a chlorinated pool strips away your skin's protective microbes. Here's what happens next—and why it takes days to recover.
Read articleUrban pollution doesn't just dirty your skin—it rewrites the microbial communities living on it. Here's what researchers found.
Read articleYour skin microbiome is the key to healthy skin. Here are the proven, science-backed steps to restore balance.
Read articleMinimal inputs, maximum repair. How to use a microbiome-native routine the way it was designed.
Read articleAlcohol kills 99.9% of bacteria. But your skin needs bacteria to stay healthy. Here's what actually happens when the two collide.
Read articleYour skin's microbial defenses reset after every wash. Some bacteria are gone for 24 hours. Others bloom back wrong.
Read articleHow air pollution affects the skin microbiome, altering bacterial diversity and skin barrier function. Evidence-based review of environmental impacts.
Read articleWhat an at-home microbiome test involves, how the science works, and what your results mean.
Read articleYour skin used to be a rainforest. Now it's a parking lot. An extinction event is happening on every square inch of your skin.
Read articleGerm theory saved the world, then we took it too far. 150 years of sanitization, and the ecosystem we're only just learning we need.
Read articleWhat happened to our skin bacteria when we traded open air for climate control, soil for sanitizer, and sunlight for fluorescents?
Read articleSwab a Hadza forager's skin and you'll find species city dwellers lost generations ago. What happened—and does it matter?
Read articleCabin air drops humidity to desert levels. Your skin's microbial ecosystem responds in hours—not days.
Read articleThat tight, fresh-scrubbed feeling? It's not purity—it's your skin's ecosystem in distress. The science of what 'clean' actually costs.
Read articleYour skin carries its hometown microbiome everywhere. Hotels, planes, and foreign water don't just disrupt your routine—they disrupt your bacteria.
Read articleLiving with a dog doesn't just change your routine—it quietly reshapes the bacterial community living on your skin.
Read articleThe gut-health inflection point is happening again in skincare. Here's what it means for your routine.
Read articleYour 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.

