The Science of the Skin Microbiome: A Complete Guide to Microbiome-Supportive Skincare
Why the future of skincare may depend on understanding the living ecosystem on your skin
By Sudhir Shah, Founder & Chief Scientist, OM Botanical
Your skin is not a blank surface.
It is a living biological ecosystem.
Every day, billions of microorganisms—including bacteria, fungi and other microbial communities—interact with your skin, its barrier, its chemistry and its environment. These microorganisms are not simply contaminants waiting to be removed. Many participate in the complex ecosystem that helps the skin function as a protective barrier.
Modern skin microbiome research is changing how scientists think about skincare.
The question is no longer simply:
“What ingredient should I put on my skin?”
A more important question is:
“How does the finished formulation interact with the biological environment of my skin?”
That question is at the heart of OM Botanical's approach to microbiome-supportive skincare.
Our philosophy combines modern skin biology, formulation science and Ayurvedic botanical traditions while recognizing an important scientific principle:
The skin microbiome is complex, individual and still being studied.
We therefore do not believe that a single fashionable ingredient can define whether an entire skincare product is microbiome-friendly.
A fermented ingredient does not automatically make a product probiotic.
A botanical ingredient does not automatically make a formula microbiome-supportive.
“Natural” does not automatically mean gentle.
And “microbiome-friendly” should not become another unsupported marketing label.
Instead, OM Botanical evaluates skincare through a whole-formulation perspective—considering the skin barrier, cleansing system, pH, preservation, fragrance and essential oils, botanical ingredients, active concentrations, formulation design and intended frequency of use.
That is the foundation of our approach.
What Is the Skin Microbiome?
The skin microbiome is the community of microorganisms and their genetic material associated with the skin.
The broader skin microbiota includes bacteria, fungi, viruses and other microorganisms living in and on different skin environments.
The composition of these communities is not identical everywhere.
The forehead, cheeks, scalp, armpits and other areas of the body can have substantially different microbial environments because they differ in factors such as moisture, temperature, sebum production and local physiology.
Your skin microbiome also varies from person to person.
Age, genetics, environment, climate, hormones, lifestyle, immune status, skin physiology and skincare practices can all influence the microbial environment.
This is one reason the phrase “the skin microbiome” can be misleading if it suggests that everyone has one identical microbial community.
There isn't one universal microbiome.
There are many individualized microbial ecosystems.
Research has increasingly shown that these microorganisms interact with the skin barrier and immune system rather than simply existing independently on the skin. A major review in Science described the microbiota as contributing to pathogen protection, immune regulation and epithelial barrier function. [1]
A more recent review similarly describes the skin microbiome as an important component of skin homeostasis while emphasizing the complexity and continuing evolution of microbiome research. [2]
This changes the way we should think about skincare.
Why Does the Skin Microbiome Matter?
The skin is the body's largest organ and one of its most important interfaces with the external environment.
It must perform several jobs simultaneously.
It helps:
-
limit water loss;
-
protect against environmental exposures;
-
provide a physical barrier;
-
participate in immune defense;
-
regulate interactions with microorganisms;
-
maintain appropriate hydration;
-
respond to environmental changes.
The microbial communities living on the skin participate in this biological environment.
Research has identified interactions between microorganisms, antimicrobial molecules, immune signaling, skin lipids and epidermal barrier function.
In other words:
The microbiome and the skin barrier are interconnected.
This does not mean that every microorganism on your skin is beneficial.
Nor does it mean that more microbial diversity is automatically better.
It means the skin's microbial ecosystem is dynamic and context-dependent.
That distinction is extremely important.
Skin Microbiome vs. Skin Barrier: What's the Difference?
These terms are often used together, but they are not the same thing.
The skin barrier
The skin barrier is primarily associated with the outer layers of the epidermis, particularly the stratum corneum.
It helps regulate water loss and protects underlying tissue from environmental stressors.
The skin microbiome
The microbiome refers to the microbial ecosystem associated with the skin and its genetic and functional characteristics.
The relationship
The microbiome and barrier interact.
Research has described relationships involving microbial metabolites, immune signaling, antimicrobial defense and epidermal function. [1][3]
That means a skincare routine should not necessarily treat the microbiome and barrier as two unrelated topics.
At OM Botanical, we think of them as components of a broader system.
This is why our formulation philosophy emphasizes:
Cleanse → Hydrate → Support → Protect
rather than continually stripping, exfoliating and aggressively resurfacing the skin.
What Is Microbiome-Friendly Skincare?
There is currently no universally accepted scientific definition that allows consumers to look at a cosmetic label and definitively determine whether a product is “microbiome-friendly.”
Recent scientific reviews have specifically identified the lack of standardized criteria as a challenge for microbiome-targeted cosmetics. [4]
That is important.
It means companies should be careful about presenting “microbiome-friendly” as though it were a universally standardized certification.
At OM Botanical, we prefer the term:
Microbiome-supportive skincare
to describe a formulation philosophy rather than a blanket clinical claim.
Our working definition is:
Microbiome-supportive skincare is skincare formulated with consideration for the skin's microbial environment, barrier function, formulation chemistry and long-term skin compatibility, while avoiding unsupported claims about altering or treating the microbiome.
That distinction allows us to respect what the science currently demonstrates without pretending that every question has already been answered.
What Makes a Skincare Product Microbiome-Supportive?
There is no single ingredient that answers this question.
A more scientifically responsible approach is to examine the finished formulation.
At OM Botanical, we consider several dimensions.
1. Formulation pH
Skin has a naturally acidic surface environment.
This is commonly associated with the skin's “acid mantle.”
Research has connected skin pH with barrier homeostasis, epidermal function and antimicrobial defense. [5][6]
However, pH should not be evaluated in isolation.
A particular pH number does not automatically make a product microbiome-friendly.
The entire formulation matters.
2. Cleansing system
Cleansers are intentionally designed to remove substances from the skin.
That is their purpose.
But cleansing strength, surfactant selection, formulation design, frequency of use and individual skin characteristics all matter.
A cleanser should therefore be evaluated according to its intended function—not simply by how much foam it creates.
Foam is primarily a sensory property.
It is not a scientific measurement of cleansing quality or microbiome compatibility.
This is one reason OM Botanical's Complete Face Cleanser uses a creamy, non-foaming approach rather than equating abundant foam with superior cleansing.
The objective is not to eliminate all microorganisms.
The objective is effective cosmetic cleansing while being thoughtful about the skin environment.
Is Foaming Cleanser Bad for the Skin Microbiome?
Not necessarily.
This is an important distinction.
It would be scientifically irresponsible to say that every foaming cleanser damages the microbiome.
Different surfactant systems, concentrations, formulations and usage patterns can produce different outcomes.
Likewise, different people have different skin characteristics.
The better question is:
How does this particular cleanser perform as a finished formulation when used as directed?
At OM Botanical, we believe consumers should look beyond foam volume and marketing language and consider the cleanser's formulation, intended use and effect on their individual skin.
3. Preservative system
This is one of the most misunderstood subjects in microbiome skincare.
A cosmetic product containing water and nutrients for microorganisms cannot simply be allowed to become contaminated.
Microbiological safety is essential.
The U.S. Food and Drug Administration emphasizes that cosmetic products can become harmful if contaminated with pathogenic microorganisms and that manufacturers have responsibility for product safety. [7]
This creates an important formulation reality:
A microbiome-supportive cosmetic still needs appropriate preservation.
A cosmetic preservative system is designed to protect the product from unwanted microbial contamination.
That is different from attempting to eliminate the beneficial microbial ecosystem on the user's skin.
These two concepts should not be confused.
A product that is inadequately preserved is not “more microbiome-friendly.”
It may simply be unsafe.
This is why responsible microbiome formulation must balance:
product microbiological safety
with
consideration of the skin's biological environment.
4. Fragrance and essential oils
Fragrance and essential oils also deserve a nuanced discussion.
Some consumers assume that because an ingredient is natural, it must automatically be compatible with every skin type.
That is not scientifically defensible.
Botanical essential oils contain biologically active compounds.
Individual tolerance varies.
Concentration matters.
Formulation matters.
Frequency of use matters.
And individual skin sensitivity matters.
At OM Botanical, we therefore do not equate “natural” with “universally gentle.”
The broader principle is:
Naturalness and biological compatibility are related concepts, but they are not synonyms.
5. Active ingredients and concentration
An ingredient cannot be evaluated independently of concentration.
A botanical extract, vitamin, peptide, acid or other active can behave differently depending on its concentration, formulation environment and intended use.
This is another reason we reject the idea that one “hero ingredient” can define the biological behavior of an entire skincare product.
The formulation is the system.
6. Frequency of use
The same product may be used once a week, once a day or several times a day.
Those are not equivalent exposure patterns.
Microbiome research increasingly recognizes that the skin ecosystem is influenced by environmental and behavioral factors.
Therefore, skincare should be evaluated not only according to:
What is in the bottle?
but also:
How is the product used?
Prebiotics vs. Probiotics vs. Postbiotics in Skincare
These terms are frequently confused.
What are probiotics?
In general scientific usage, probiotics refer to live microorganisms administered in adequate amounts to provide a health benefit to the host.
In skincare, however, incorporating viable microorganisms into stable cosmetic formulations presents significant technical challenges.
A recent review of probiotic skincare notes that many commercial products marketed around probiotic concepts use non-viable microbial derivatives rather than live, strain-identified microorganisms because of formulation, stability and regulatory challenges. [8]
Therefore:
A product containing a microbial ferment is not automatically a probiotic.
What Are Prebiotics?
Prebiotics are generally understood as substrates selectively utilized by host microorganisms that confer a health benefit.
In cosmetic science, the term is increasingly used for ingredients intended to support particular microbial environments.
But again, claims should be tied to evidence.
Simply labeling a botanical ingredient a “prebiotic” does not prove that a finished cosmetic produces a clinically meaningful change in the skin microbiome.
What Are Postbiotics?
Postbiotics generally refer to preparations of inanimate microorganisms and/or their components that provide a health benefit.
The terminology and definitions surrounding postbiotics have evolved considerably.
This is another reason consumers should look for specificity rather than assuming that all fermented or microbial-derived ingredients are interchangeable.
Is Fermented Skincare the Same as Probiotic Skincare?
No.
Fermentation describes a process.
Probiotic describes a specific biological concept involving live microorganisms and a demonstrated benefit.
A fermented botanical extract can contain metabolites or other compounds generated during fermentation without being a probiotic.
This distinction is particularly important as fermented skincare becomes increasingly popular.
At OM Botanical, we believe scientific terminology should clarify a product rather than make it sound more sophisticated.
Does Natural Skincare Automatically Support the Skin Microbiome?
Not necessarily.
This may be one of the most important answers in modern clean beauty.
“Natural” describes the origin or nature of ingredients according to the terminology being used.
It does not automatically describe the biological behavior of a finished formula.
A natural ingredient can be irritating to a particular person.
A natural essential oil can be sensitizing.
A natural formulation can have an inappropriate pH.
A natural product can be poorly preserved.
And a synthetic ingredient is not automatically harmful simply because it is synthetic.
At OM Botanical, we therefore prefer:
formulation science over ingredient ideology.
Does “Clean Beauty” Mean Microbiome-Friendly?
Not necessarily.
There is no universal scientific definition of “clean beauty.”
Different companies use the term differently.
Likewise, excluding a particular class of ingredients does not automatically establish microbiome compatibility.
A better approach is to ask:
- What does the product contain?
- Why is each ingredient present?
- At what concentration?
- What is the pH?
- How is the product preserved?
- How is it intended to be used?
- What evidence supports its claims?
This is the difference between ingredient marketing and formulation thinking.
Does the Skin Need to Be “Sterile”?
No.
Healthy skin is not supposed to be sterile.
It is a living biological environment containing microorganisms.
The goal of everyday skincare is not to sterilize the skin.
In fact, attempts to reduce the discussion to “killing bacteria” versus “protecting bacteria” are too simplistic.
The relevant biological question is much more sophisticated:
How do the skin, its microbial communities, its immune system and its environment interact?
This is why OM Botanical avoids presenting microbiome skincare as an antibacterial-versus-bacterial contest.
Can Skincare Disrupt the Skin Microbiome?
Potentially, yes— the answer depends on the formulation, exposure and individual.
Research indicates that cosmetic products can interact with the skin microbiome and that certain formulation characteristics can influence microbial communities. [4][9]
However, it would be inaccurate to claim that all conventional skincare disrupts the microbiome.
A 2026 review emphasizes both the promise of microbiome-targeted cosmetics and the need for additional research into the dynamics between cosmetic ingredients and skin microbial communities. [4]
The scientifically responsible position is therefore:
Some skincare practices may influence the microbiome, but the magnitude and significance of those effects depend on many variables.
What Is Skin Microbiome Dysbiosis?
Dysbiosis generally refers to a disruption or imbalance in a microbial community.
In skin research, dysbiosis has been investigated in association with several dermatological conditions.
However, there is an important scientific caution:
Association does not automatically prove causation.
A change in microbial composition may contribute to a condition.
A disease process may alter the microbiome.
Environmental factors may influence both.
Or several mechanisms may operate simultaneously.
Therefore, consumers should be cautious when a skincare advertisement implies:
“This one ingredient fixes dysbiosis.”
The biology is more complicated.
Skin Microbiome and Acne
The relationship between the microbiome and acne is an active area of research.
Cutibacterium species are naturally associated with human skin.
The important scientific question is not simply whether a microorganism is present.
Researchers increasingly examine:
- microbial strain differences;
- relative abundance;
- microbial interactions;
- host immune response;
- sebum;
- inflammation;
- barrier function;
- environmental factors.
This illustrates a broader principle:
Microbiome science is about communities and interactions, not simply counting bacteria.
Skin Microbiome and Aging
The microbiome is also being investigated in connection with skin aging.
A 2025 comprehensive review described promising research involving probiotics, prebiotics and postbiotics in relation to skin aging and barrier function, while emphasizing individual variability, formulation challenges and the need for longer-term clinical trials. [3]
This is particularly interesting because aging affects multiple aspects of skin biology simultaneously.
Over time, skin may experience changes involving:
- barrier function;
- hydration;
- lipid composition;
- immune signaling;
- oxidative stress;
- microbial communities;
- environmental exposure.
Therefore, “anti-aging microbiome skincare” should not be reduced to one microorganism or one ingredient.
The more scientifically interesting opportunity is understanding how skin barrier, microbial ecology and formulation interact over time.
Skin pH and the Microbiome
Skin pH is one of the most important formulation considerations in microbiome-conscious skincare.
The skin surface generally has an acidic environment.
Research has associated this acidic environment with barrier homeostasis, structural stability and antimicrobial defense. [5][6]
But there is an important distinction:
pH-balanced does not automatically mean microbiome-friendly.
A formula with an appropriate pH can still contain ingredients that are poorly tolerated by a particular individual.
Similarly, pH is only one variable among many.
At OM Botanical, we therefore view pH as part of a larger formulation system.
What Should You Look for in Microbiome-Supportive Skincare?
Instead of looking for one magic ingredient, consumers can use a formulation checklist.
Ask these 10 questions:
1. What is the product designed to do?
A cleanser, serum and sunscreen have completely different functions.
2. What is the formulation pH?
Where relevant, understand how the formula fits into the intended skin environment.
3. What cleansing agents are being used?
Look beyond foam.
4. How is the product preserved?
Microbiological safety is essential.
5. What fragrances or essential oils are present?
Consider concentration and personal tolerance.
6. What are the active ingredients?
Understand what each ingredient is intended to contribute.
7. What are the concentrations?
A label tells you what is present but does not always tell you how much.
8. How often should the product be used?
Exposure matters.
9. Is the microbiome claim supported by evidence?
Prefer evidence on the finished product when available.
10. Does the routine support the skin barrier?
Microbiome conversations should not ignore barrier health.
The OM Botanical Whole-Formulation Approach
These principles are central to OM Botanical's formulation philosophy.
Our approach combines:
Ayurvedic botanical traditions
with
modern skin biology
and
contemporary formulation science.
We emphasize:
Balance over extremes
The objective is not to continually strip, exfoliate or overwhelm the skin.
Prevention over correction
Healthy skincare should support the skin consistently rather than rely entirely on aggressive corrective cycles.
Whole-plant botanical ingredients
We value botanicals for their complex composition rather than reducing every formulation to a single fashionable molecule.
Barrier-conscious formulation
The skin barrier is fundamental to healthy skin.
pH-balanced formulation
Formulation chemistry matters.
Whole-formulation evaluation
The finished product—not a single ingredient—is what the consumer actually applies to the skin.
These principles are reflected in OM Botanical's published formulation approach, which emphasizes barrier science, microbiome and pH research, ingredient interactions and contemporary formulation techniques. [10]
Why OM Botanical Uses Aloe-Based Formulation Systems
One example of our formulation philosophy is the use of aloe-based aqueous systems in selected products.
Rather than relying on water, a filer as the primary foundation, OM Botanical uses aloe vera juice in formulations.
This is not presented as proof that aloe “feeds” or “restores” the microbiome.
Instead, it reflects a broader formulation philosophy: the aqueous phase can itself be treated as part of the formulation strategy rather than merely an inert carrier.
This distinction is important.
An ingredient can have desirable cosmetic properties without needing a microbiome claim attached to it.
OM Botanical's Approach to Fermented Ingredients
OM Botanical formulations use fermented ingredients.
Our philosophy is not to call every fermented ingredient a probiotic.
For example, fermentation-derived materials can be included for their cosmetic properties and formulation functionality without claiming that the product contains live probiotics.
This is an example of the broader principle:
Scientific precision is more valuable than marketing exaggeration.
Why Sudhir Shah Believes Microbiome Skincare Needs More Scientific Discipline
As a molecular biologist and Ayurvedic researcher, I have spent years thinking about the difference between a compelling ingredient story and a scientifically meaningful formulation.
That distinction is especially important now.
The microbiome is real.
Its importance is real.
The interactions among microorganisms, skin barrier and immune function are real.
But that does not mean every microbiome marketing claim is automatically scientifically established.
We need to distinguish:
What we know
from
what we hypothesize
and
what still needs to be studied.
That is not a limitation of microbiome science.
It is what good science looks like.
The field is developing rapidly.
As better sequencing technologies, metabolomics, mechanistic studies, controlled clinical trials and standardized testing methods emerge, our understanding will become more sophisticated.
OM Botanical has and continues to evolve with the evidence.
The Future of Microbiome Skincare
The next generation of microbiome skincare may move beyond today's simple “good bacteria/bad bacteria” marketing.
Potential areas of research include:
- personalized microbiome profiles;
- strain-specific interventions;
- microbial metabolites;
- postbiotic ingredients;
- advanced prebiotic systems;
- microbiome-compatible preservation;
- individualized formulation;
- barrier-microbiome interactions;
- longitudinal clinical studies;
- improved microbiome testing;
- better standards for microbiome-related cosmetic claims.
But many of these areas remain emerging.
That means consumers should be excited—but skeptical.
The future of microbiome skincare will not be determined by who uses the word “microbiome” most often.
It will be determined by who can demonstrate that its formulations are thoughtfully designed, appropriately tested and honestly described.
OM Botanical's Five Principles for Microbiome-Supportive Skincare
We believe the industry can make microbiome skincare more meaningful by following five principles.
Principle 1: Respect the skin as a living ecosystem
The skin is not an inert surface.
Principle 2: Evaluate the whole formulation
One ingredient does not define a product.
Principle 3: Protect product safety
Microbiome-supportive skincare still requires effective preservation and microbiological quality control.
Principle 4: Separate science from marketing
Probiotic, prebiotic, postbiotic and fermented are not interchangeable terms.
Principle 5: Admit what science does not yet know
Uncertainty is not failure.
Pretending uncertainty does not exist is the failure.
Frequently Asked Questions About Skin Microbiome Skincare
What is the skin microbiome?
The skin microbiome is the complex community of microorganisms associated with the skin and their genetic and functional characteristics. These communities interact with the skin barrier, immune system and surrounding environment.
Why is the skin microbiome important?
Research indicates that skin microbial communities participate in pathogen defense, immune regulation and interactions with epidermal barrier function.
What is microbiome-friendly skincare?
There is no universally standardized definition. At OM Botanical, we use “microbiome-supportive skincare” to describe formulations developed with consideration for the skin's microbial environment, barrier function and overall formulation compatibility.
Is microbiome-friendly skincare scientifically proven?
Some microbiome-focused approaches are promising, but the field remains developing. Recent reviews identify individual variability, formulation complexity, heterogeneous research methods and limited long-term clinical evidence as continuing challenges.
Are probiotics in skincare effective?
Some probiotic approaches are being investigated, but the evidence varies by microorganism, formulation, application and study design. Many commercial “probiotic” products use non-viable microbial derivatives because maintaining viable microorganisms in cosmetics presents technical challenges.
What is the difference between probiotics and prebiotics?
Probiotics generally involve live microorganisms administered for a demonstrated benefit. Prebiotics are substrates selectively utilized by microorganisms to provide a benefit. They are not interchangeable concepts.
What are postbiotics?
Postbiotics generally refer to preparations of inanimate microorganisms and/or their components that provide a health benefit. Definitions and applications continue to evolve.
Is fermented skincare probiotic?
No. Fermentation describes a process. A fermented cosmetic ingredient is not automatically a probiotic.
Does natural skincare support the microbiome?
Not automatically. Natural origin does not by itself establish microbiome compatibility. Formulation, concentration, pH, preservation, usage and individual tolerance all matter.
Does clean beauty mean microbiome-friendly?
No. “Clean beauty” does not have one universally accepted scientific definition. A product should be evaluated based on its actual formulation and evidence.
Does foaming cleanser damage the microbiome?
Not necessarily. Foam alone does not determine microbiome compatibility. Surfactant system, concentration, formulation, pH, frequency and individual skin characteristics are more meaningful considerations.
Should I stop using cleanser to protect my microbiome?
No. Skin cleansing remains an important part of hygiene. The goal should be appropriate cleansing rather than avoiding cleansing altogether.
Does the skin need bacteria?
The skin naturally hosts microbial communities. Healthy skin is not sterile, and microorganisms participate in the skin's biological ecosystem.
What is microbiome dysbiosis?
Dysbiosis broadly refers to disruption or imbalance in a microbial community. In skin research, microbial changes have been associated with various skin conditions, but association does not automatically prove that microbial changes caused the condition.
Can skincare cause microbiome dysbiosis?
Some cosmetic formulations and skincare practices may influence microbial communities, but effects depend on formulation, exposure, individual biology and other factors. It would be inaccurate to claim that all conventional skincare causes dysbiosis.
Does skin pH affect the microbiome?
Skin pH is an important component of the skin environment and has been associated with barrier function and antimicrobial defense. However, pH is only one part of a finished formulation.
What pH is best for skin?
Healthy skin generally has an acidic surface environment, but there is no single universal product pH that makes every skincare product appropriate for every person. Product function and complete formulation matter.
Can microbiome skincare reduce acne?
Microbiome research is highly relevant to acne, but cosmetic products should not be presented as treatments for acne unless they meet applicable drug requirements. Microbial communities, sebum, inflammation, barrier function and individual biology all interact in acne.
Can microbiome skincare reverse aging?
There is promising research connecting the microbiome, barrier function and skin aging, but long-term clinical evidence for many microbiome-focused cosmetic interventions remains limited.
Does OM Botanical restore the skin microbiome?
OM Botanical does not make a blanket claim that its cosmetic products restore or medically treat the skin microbiome. Our approach is to formulate with consideration for the skin barrier, pH, microbial environment and overall formulation compatibility.
Why does OM Botanical use the term “microbiome-supportive”?
We use this term because we believe it more accurately communicates a formulation philosophy without implying that every product has been clinically demonstrated to alter the microbiome.
What makes OM Botanical different?
OM Botanical combines Ayurvedic botanical traditions with modern formulation principles and skin biology. Our approach emphasizes whole-formulation thinking rather than relying on a single microbiome marketing ingredient.
Who is Sudhir Shah?
Sudhir Shah is the founder and chief scientist of OM Botanical. His background in molecular biology and Ayurvedic research informs the company's approach to plant-based formulation and skin biology.
Does OM Botanical conduct microbiome clinical trials?
Consumers should distinguish between formulation philosophy and clinical intervention. Unless a specific OM Botanical product has product-specific microbiome clinical data, the company does not represent that product as clinically proven to modify the microbiome.
Where can I learn more about OM Botanical's formulation philosophy?
OM Botanical publishes educational resources explaining its approach to Ayurvedic botanicals, skin barrier science, microbiome research, pH and formulation development.
The OM Botanical Microbiome Skincare Checklist
Before buying a product marketed as “microbiome-friendly,” ask:
1. What exactly does the microbiome claim mean?
2. Is the claim based on the finished product or one ingredient?
3. Is the ingredient actually a probiotic, prebiotic, postbiotic or simply fermented?
4. What is the product's pH?
5. What cleansing agents are used?
6. What preservation system protects the product?
7. What fragrance or essential oils are included?
8. How concentrated are the active ingredients?
9. How often is the product intended to be used?
10. What evidence supports the claim?
If a brand cannot explain its microbiome claim clearly, consumers should be cautious.
The Most Important Principle
The skin microbiome is not a trend.
But microbiome marketing can be.
That distinction matters.
We are entering an exciting period in which scientists are learning more about the relationship among microbial communities, the skin barrier, immunity and the external environment.
The opportunity for skincare is enormous.
But the responsible path is not to turn every new scientific discovery into a marketing claim.
The responsible path is to formulate thoughtfully.
Measure carefully.
Study rigorously.
Communicate honestly.
And update our understanding as science evolves.
At OM Botanical, this is the philosophy behind our work.
We believe the future of skincare should move:
Beyond “natural.”
Beyond “clean.”
Beyond ingredient hype.
Toward biological compatibility.
The skin is alive.
Our skincare should respect that.
About Sudhir Shah
Sudhir Shah is the founder and chief scientist of OM Botanical, a North Carolina-based plant-based skincare company integrating Ayurvedic botanical traditions with modern formulation science and skin biology.
With a background in molecular biology and a long-standing interest in Ayurveda, Shah approaches skincare from the perspective that effective formulation requires understanding both the ingredients and the biological environment in which they are used.
His formulation philosophy emphasizes whole-formulation evaluation, botanical ingredients, skin barrier support, pH-conscious development, responsible preservation and scientific transparency.
Through OM Botanical's educational work, Shah advocates for a more evidence-based conversation around microbiome-supportive skincare and encourages consumers to distinguish scientific evidence from marketing terminology.
Scientific References
1. Harris-Tryon TA, Grice EA. Microbiota and maintenance of skin barrier function. Science. 2022;376(6596):940–945.
2. Byrd AL, Belkaid Y, Segre JA. The human skin microbiome. Nature Reviews Microbiology. 2018;16:143–155.
3. Hong JY, Kwon D, Park KY. Microbiome-Based Interventions for Skin Aging and Barrier Function: A Comprehensive Review. Annals of Dermatology. 2025;37(5):259–268.
4. Taléns-Visconti R, Diez-Sales O, Nácher A. Cosmetic Interventions for Skin Microbiome Modulation: Current Strategies and Future Directions. Skin Research and Technology. 2026.
5. Schmid-Wendtner MH, Korting HC. The pH of the skin surface and its impact on barrier function. Skin Pharmacology and Physiology.
6. Kuehne A, et al. The Skin Acid Mantle: An Update on Skin pH. 2024.
7. U.S. Food and Drug Administration. Microbiological Safety and Cosmetics.
8. Rezaei F, et al. A Microbial Formulation Perspective on Probiotic Skincare. 2026.
9. Fatima M, Omer H, Nadeem N, Imtiaz S. Cosmetics and their role in modulating skin microbiome health: A narrative review. Journal of the Pakistan Medical Association. 2026;76(3):417–423.
10. OM Botanical. Our Approach to Plant-Based Skincare.
Scientific Disclaimer
This educational article is intended for informational purposes and does not diagnose, treat, cure or prevent any disease. Cosmetic skincare products should not be considered substitutes for medical diagnosis or treatment. Individual responses to skincare products vary. Scientific understanding of the skin microbiome continues to evolve and claims about microbiome modulation should be evaluated according to the evidence available for the specific finished formulation.
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