Our Approach
The right skincare, not more skincare.
We built Milieu to match people with the right formulas, not endless steps.
We built Milieu to match people with the right formulas, not endless steps.
The modern skincare market has created a problem: endless products, conflicting advice, and routines that damage the very ecosystem your skin depends on. Most products are designed to sell, not to work with your skin's biology.
Your skin microbiome (the community of bacteria, fungi, and other microorganisms living on your skin) plays a critical role in barrier function,[1] immune regulation,[2] and long-term skin health.[3] But harsh ingredients, over-cleansing, and unnecessary products disrupt this delicate ecosystem,[4] leading to chronic issues like acne, dryness, and inflammation.[5]
We take a systems approach to this problem. We use microbiome testing, AI-powered skin analysis, and behavioral data to understand your skin's actual state, not just surface symptoms. Then we match you with products that support your microbiome, avoid harmful ingredients, and reduce the need for intervention over time.
The goal isn't to add more steps to your routine. It's to help you find what actually works for your biology, eliminate what doesn't, and build a healthier, more resilient skin ecosystem that can sustain itself with minimal intervention.
Scientific Framework
Your skin is a living ecosystem, not a canvas for products.
Your skin is home to over 1,000 distinct microbial species[6] and one trillion bacteria. These microorganisms aren't just passengers. They actively regulate your skin's barrier function,[7] pH balance,[8] immune response,[2] and moisture retention.[9] When this ecosystem thrives, your skin is healthy. When it's disrupted, chronic issues like acne, eczema, and premature aging follow.[10]
The average person applies 128 ingredients to their skin every day, many of which contain harsh preservatives, surfactants, and fragrances that wipe out beneficial bacteria. Over-cleansing, unnecessary products, and generic routines create a cycle of dependence: your skin becomes reactive and unstable, requiring constant intervention to function.[11]
We believe in a different approach. By measuring your skin microbiome and analyzing your unique biology, we can identify what's actually missing or out of balance, then match you with products that restore equilibrium rather than disrupt it further. The goal is fewer products, smarter choices, and a self-sustaining skin ecosystem that requires less intervention over time.
Advisors
Dr. Mark Blumberg
Board-Certified Dermatopathologist
Experienced dermatologist and dermatopathologist with 20+ years in diagnostic and clinical skin disease.
Andrea Echeverry, PhD
Former Trichology Association President
Ph.D. microbiologist, immunologist, and trichology practitioner specializing in skin and scalp microbiome health.
Dr. Jai Parekh
Former Chief Medical Officer, Allergan
Mount Sinai ophthalmologist and healthcare leader with deep experience in medical innovation and industry leadership.
Dr. Vicki Rapaport
Board-Certified Dermatologist
Beverly Hills dermatology leader with 20+ years of experience in medical, surgical, and cosmetic skin care.
Craig Brennan
Former SVP, Oracle
Veteran SaaS CEO (Switchfly, Brio Software) and former SVP of CRM at Oracle. Expert in global enterprise strategy and scaling high-growth software operations.
Shree Padma, PhD
Life Sciences Consultant
Scientist and life sciences expert specializing in molecular biology research and its application to human health.
Further reading
Go deeper in the library
The science behind our test, and the thinking behind our approach, live in the Milieu Learn library — in-depth essays, bacteria-by-bacteria guides, and everyday curiosities about your skin microbiome.
