The RootsGuard Clean Standard™
The RootsGuard Clean Standard™
Radically Pure. Rooted in Truth.
We formulate based on how skin functions — not how it looks on the surface.
The standard
What is the
RootsGuard Clean Standard™?
The RootsGuard Clean Standard™ is a documented formulation standard applied to every product we develop. It defines which ingredients we use and why, what we exclude and why, and how we assess formulas for long-term skin compatibility — not just short-term safety.
If you want to understand exactly what is in a RootsGuard product and what the reasoning is behind every decision, this is the right place to start.
Why "clean" is not enough — and what we mean by "Pure"
The term "clean beauty" is now so broadly applied that it has become functionally meaningless. There is no regulatory definition of clean skincare in the EU, the US, or most other markets. Brands define the term themselves, which means it reflects marketing intent, not formulation rigour.
At RootsGuard, we use the term Radically Pure to describe a specific, documented standard — not a vibe or a value statement.
Radically Pure means:
Every ingredient is selected for a specific, documented skin function. No ingredient is included for aesthetics, fragrance, texture appeal, or cost-saving purposes.
Both natural and synthetic ingredients are evaluated on the same criteria: safety profile, skin compatibility, evidence of efficacy, and absence of documented risk for sensitisation, endocrine disruption, or barrier interference.
Natural origin is not a pass. Many botanical ingredients — essential oils, plant enzymes, high-concentration extracts — present documented sensitisation risk. We exclude these on the same basis as any synthetic ingredient that fails our standard.
The formula is assessed as a whole, not just ingredient by ingredient. Individually safe ingredients can interact in ways that compromise barrier function or increase sensitisation risk.
Formulation approach
Nature-first.
Biomimetics where they serve the skin.
RootsGuard formulas are built on a nature-first base. The primary actives are plant-origin: botanical oils, plant-derived humectants, fermentation-derived compounds, and phytochemicals with documented skin-supportive function.
Where botanical ingredients cannot deliver the required stability, bioavailability, or concentration, we use biomimetic and nature-identical actives.
What biomimetic means in practice
Biomimetic ingredients are molecules structurally identical to compounds the skin produces or recognises naturally — synthesised under controlled conditions to guarantee purity, stability, and consistent concentration. The skin's response to a molecule is determined by its structure, not its origin.
Skin-identical ceramides (ceramide NP, AP, EOP): identical to the ceramides forming the lipid matrix of the stratum corneum. Biomimetic synthesis delivers consistent, clinically validated levels that plant-source extraction cannot reliably achieve.
Fermentation-derived hyaluronic acid: produced via bacterial fermentation, structurally identical to endogenous HA. We use low molecular weight variants for deeper penetration and high molecular weight for surface hydration.
Fermentation-derived niacinamide: vitamin B3 in bioactive form, clinically documented for barrier function support, sebum regulation, and TEWL reduction.
Skin-identical peptides (non-palmitoyl only): short-chain amino acid sequences that signal specific cellular responses. We exclude all palmitoyl-modified peptides.
Our strict rules for biomimetic use
The molecule is structurally identical to a skin-native compound
There is peer-reviewed evidence for the specific function claimed
No natural alternative exists that meets the same standard of purity, stability, and efficacy at the required concentration
The ingredient has no documented sensitisation, endocrine disruption, or accumulation risk
RootsGuard formulas are built on a 100% natural foundation, enhanced only where necessary with skin-identical biomimetic actives to achieve clinically meaningful results.
This allows us to maintain the integrity of botanical formulations while introducing targeted biomimetic molecules: such as ceramides, peptides, niacinamide, and hyaluronic acid — to improve stability, penetration, and efficacy without compromising safety.How we compare
The RootsGuard standard
vs the industry.
| Criteria | Conventional Clean Beauty | COSMOS / EcoCert | RootsGuard Clean Standard™ |
|---|---|---|---|
| Definition of "clean" | Brand-defined, no minimum standard | Certification body criteria | Documented internal standard, publicly available |
| Natural origin requirement | Loosely applied or undefined | ≥95% natural origin required | Nature-first base; biomimetics permitted only if skin-identical and evidence-based |
| Banned ingredients | Variable, brand-defined | Certification body list | 150+ ingredients banned regardless of certification status |
| Synthetic fragrance | Often permitted or hidden as "parfum" | Restricted or excluded | Zero. No synthetic fragrance. No masking agents. |
| Phenoxyethanol | Commonly used | Restricted, often permitted at low levels | Excluded entirely. Natural preservation only. |
| Silicones | Frequently used | Excluded under COSMOS | Excluded entirely. |
| High-risk essential oils | Not systematically excluded | Not systematically excluded | Excluded based on documented sensitisation data, regardless of natural origin |
| Biomimetic peptides | Unregulated | Largely excluded | Permitted only when skin-identical and evidence-based |
| Third-party safety testing | Optional | Required for certification | EU-certified lab + independent safety assessment per EU Cosmetics Regulation 1223/2009 |
| Formulation philosophy | Surface effect, trend-driven | Compliance-focused | Mechanism-based: every ingredient justified by its documented effect on skin biology |
Unlike most clean beauty brands, RootsGuard does not rely on marketing definitions of ‘clean’ and excludes over 150 ingredients regardless of regulatory approval. RootsGuard applies one of the strictest clean skincare standards currently available, exceeding most ‘clean beauty’ and certification-based formulations.
Manufacturing & Safety
Every product assessed
before it reaches you.
All RootsGuard products are manufactured in GMP-certified laboratories and assessed for safety and compliance under EU Cosmetics Regulation 1223/2009 by independent, EU-qualified safety assessors before reaching the market — regardless of where they are produced.
Third-party safety assessment
Conducted by an independent EU-qualified safety assessor per Article 10 of EU Cosmetics Regulation 1223/2009. Mandatory under EU law. Documented in each product's Cosmetic Product Safety Report (CPSR).
Stability testing
Accelerated and real-time stability testing to confirm formula integrity, pH stability, and microbiological safety across the product's intended shelf life.
Dermatological compatibility
Patch testing and compatibility assessment conducted on human volunteers with documented skin sensitivity.
Microbiological testing
Challenge testing to confirm preservation efficacy under simulated use conditions throughout the full shelf life.
Full INCI labelling
Every ingredient listed by its INCI name in descending order of concentration. No ingredient concealed under vague terminology.
Clinical efficacy studies
For our hero products — formulas where barrier repair, skin-calming, or active ingredient delivery is the primary function — we conduct independent clinical efficacy studies on human volunteers under controlled conditions.
Most brands rely on consumer perception panels or in-vitro ingredient data to support efficacy claims. We go further because our formulation philosophy requires it: if an ingredient is included for a specific documented mechanism, the formula as a whole must demonstrate that mechanism under real-world conditions.
Where clinical data exists for a specific product, it is referenced directly in the product description. We do not make efficacy claims unsupported by peer-reviewed ingredient data at the concentrations used, or by product-level clinical assessment.
This is what mechanism integrity means in practice: if we say a formula supports barrier repair, we have the data to show it does.
Banned ingredients
Over 150 ingredients
we refuse to use.
We refuse to use over 150 ingredients — including many marketed as safe or natural — because not all natural is good for your skin. Our standard is not defined only by what we exclude. It is defined by what every included ingredient must contribute: a documented function, a clean safety profile, and compatibility with long-term skin and body health.
The full list of 150+ banned ingredients is available on request.
Skin biology
How we think
about how skin works.
The RootsGuard Clean Standard™ is not a list of exclusions applied to a conventional formula. It is the result of a specific understanding of how skin functions — and what it actually needs from a topical product to perform at its best, at every age and in every condition.
The skin barrier is the foundation — for every skin concern
The stratum corneum — the outermost layer of the skin — is a dynamic, semi-permeable structure built from corneocytes embedded in a lipid matrix of ceramides, free fatty acids, and cholesterol. It regulates transepidermal water loss (TEWL), controls the penetration of external substances, and maintains the acid mantle (pH 4.5–5.5) that supports the skin's resident microbiome.
Barrier integrity is not a concern exclusive to sensitive or reactive skin. It is the prerequisite for every skin function: hydration, collagen synthesis, cellular renewal, sebum regulation, pigmentation stability, and the skin's ability to respond to active ingredients. A compromised barrier reduces the efficacy of every product applied to it and accelerates visible ageing.
What most skincare gets wrong
Most skincare products compromise the barrier even as they claim to support skin health. Surfactants that strip the lipid matrix. Alcohol-based formulas that dehydrate the stratum corneum. Fragrance compounds that trigger low-grade immune responses. Occlusive silicones that create the appearance of hydration without contributing to the actual lipid structure. The surface effect and the biological effect are frequently in opposite directions.
How RootsGuard formulas are designed differently
pH compatibility
All formulas are buffered to pH 4.5–5.5, consistent with the skin's natural acid mantle. Formulas outside this range temporarily shift the microbiome and increase barrier vulnerability.
TEWL impact
Ingredients that increase transepidermal water loss under normal use conditions do not pass our standard, regardless of their other properties.
Lipid matrix compatibility
Occlusive and emollient ingredients are selected for structural compatibility with the skin's ceramide-fatty acid-cholesterol ratio. We use plant-derived fatty acids with documented skin-native profiles.
Microbiome neutrality
Preservation systems are selected to control microbial contamination without disrupting the broader resident microbiome beyond their targeted function.
Sensitisation potential
Every ingredient is reviewed against published contact sensitisation data, patch test databases, and EU SCCS opinions. Ingredients above our threshold are excluded regardless of regulatory status.
Active delivery
Concentration and delivery mechanism of every active ingredient is assessed for its functional target layer. We do not use penetration enhancers that drive ingredients beyond their intended skin depth.
Who we're for
For those who have
started asking questions.
RootsGuard is for people who have looked at what is in their food, their water, their household products, and their skincare — and reached the same conclusion: the standard most of the industry operates to is not the standard they want for their bodies.
They understand that the skin is not a surface to be treated in isolation. It is the body's largest organ — an interface between the internal and the external. They are not willing to reduce their toxic load in every other area of their life and then apply seventeen synthetic compounds to their face twice a day.
People who read INCI labels and want to understand what they are reading and why each ingredient is there.
People who are reducing their exposure to synthetic chemicals, endocrine disruptors, heavy metals, and compounds with documented accumulation risk — and who apply the same standard to their skincare that they apply to their food.
People who want skincare that works with their biology rather than managing it — whether their primary concern is skin resilience, visible ageing, clarity, or long-term skin health.
People who have done the research, or who are ready to trust a brand that has — and who want full transparency rather than a curated version of it.
People who understand that what is permitted is not the same as what is safe, and that the absence of a warning does not mean the absence of a risk.
RootsGuard does not appeal to everyone. It is designed for the person who has already decided that their skin deserves the same level of scrutiny they apply to everything else they put in and on their body.
Label transparency
How to read
a RootsGuard label.
Every ingredient is listed by its full INCI name in descending order of concentration. Nothing is hidden under vague terminology. A brief guide:
Aqua / Water
Listed first when water is the primary ingredient — highest concentration.
Botanical actives
Listed by Latin botanical name. Rosa Canina Fruit Oil = rosehip oil. Centella Asiatica Extract = cica. Search any INCI name on the EU CosIng database for the full safety profile.
Biomimetic actives
Listed by INCI name with the function explained in our product descriptions. We do not hide biomimetic ingredients — we explain exactly what they are and why they are included.
Preservatives
We use only natural preservation systems. Always explicitly listed. No hidden preservation compounds in any RootsGuard formula.
If you have a question about a specific ingredient, contact us and we will answer directly.
Knowledge base
Research, explained
by someone who took it seriously.
The RootsGuard blog is where I share what I continue to learn. I am not a doctor, a dermatologist, or a medical consultant. I am someone who went deep into the science of skin biology, ingredient function, and the relationship between internal health and skin behaviour — out of personal necessity, and then out of genuine passion. What I found, I documented. What I documented, I share.
The blog covers skin biology in accessible, referenced language: how the barrier functions, what disrupts it, how the microbiome influences skin behaviour, what the clinical evidence actually says about specific actives, and how to read and evaluate an ingredient list without a chemistry degree.
Nothing on the blog is medical advice. It is research, explained clearly, by someone who took it seriously. If something I write prompts you to investigate further, speak to a qualified practitioner, or simply make a more informed choice about what you put on your skin — that is exactly the point.
The RootsGuard Clean Standard™ was not designed to satisfy a certification body or to appeal to a market trend. It was built from the ground up based on what the skin actually needs — and what most skincare products consistently fail to provide.
Diana Luca Founder, RootsGuardFrequently asked questions
Everything you need to know
about our standard.
About the standard
About ingredients
There is also an important safety argument for biomimetic ingredients when formulating for sensitive or reactive skin. Natural compounds carry their full botanical complexity, including compounds that can trigger immune responses in susceptible individuals. Peanuts are natural. Citrus is natural. Latex is natural. All are common allergens. A biomimetic peptide or skin-identical ceramide, by contrast, is a single, structurally defined molecule — designed to be recognised by the skin rather than provoke a response. For people with reactive skin, this predictability is a genuine safety advantage. We cannot anticipate every personal sensitivity a skincare user may have, but choosing structurally defined, skin-identical molecules where they exist reduces that risk significantly.
Non-toxic skincare is not a regulated term, but in practice it refers to formulations that avoid ingredients with documented risks of long-term biological impact — including sensitisation, endocrine disruption, bioaccumulation, or barrier impairment.
At RootsGuard, non-toxic skincare means:
- No heavy metals or contamination-prone ingredients
- No synthetic fragrance or undisclosed compounds
- No ingredients associated with long-term systemic exposure concerns
- No ingredients that disrupt the skin barrier or microbiome
Instead, formulas are built using plant-derived actives and skin-identical biomimetic ingredients that are recognised by the skin and compatible with its natural biology — focusing not only on immediate safety, but on long-term skin health and total exposure load over time.
About skin biology
About us