Ingredient review
Mayamaea Permitis Ferment Filtrate
INCI: MAYAMAEA PERMITIS CULTURE CONDITIONED MEDIA
A gentle, biotech-derived ferment that may help hydrate and support the skin barrier, but research is still early.
In plain English
This ingredient is made by fermenting a specific microalgae (Mayamaea permitis) and then using the liquid it grew in. The resulting filtrate contains natural compounds like amino acids and sugars that can help moisturize and soothe the skin. Think of it as a gentle, watery extract that feeds your skin's surface without heavy oils or synthetic additives.
Review score
Safety, usefulness, and evidence
Potentially useful with some tradeoffs
The evidence base is still emerging, so marketing claims deserve extra caution.
Risk flags are low for most users, though the finished product can still irritate.
- Source
- biotech
- Evidence
- emerging
- Irritation
- low
- Clogging risk
- low
Quick decision guide
Useful, but context matters
Mayamaea Permitis Ferment Filtrate is generally a lower-concern ingredient when the full formula suits your skin.
Plain-English read
Treat this as a practical screening step before you compare products that contain this ingredient.
- Step 1Start with the score, then check the irritation and clogging risk before judging Mayamaea Permitis Ferment Filtrate.
- Step 2Use the "Best for" and "Use caution if" sections to match the ingredient to your skin, not just to a marketing claim.
- Step 3If a product stings, breaks you out, or worsens irritation, judge the finished formula and stop using it even if the ingredient scores well.
Score terms in plain English
Irritation risk
lowLess likely to sting, burn, or bother most users, though sensitive skin can still react.
Clogging risk
lowLess likely to feel heavy or contribute to clogged pores for most skin types.
Evidence level
emergingThe ingredient may be promising, but claims should be treated more cautiously.
What it is
A culture conditioned media from the microalgae Mayamaea permitis, meaning the liquid left after the algae has been grown and filtered out. It contains leftover metabolites, peptides, and polysaccharides.
How it works
When applied to skin, the filtrate delivers small bioactive molecules that may help attract water (humectancy) and support the skin's natural barrier function. It is thought to calm irritation and improve hydration by providing building blocks for skin cells.
Pros
Gentle hydration
Provides moisture without irritation, making it suitable for sensitive or reactive skin types.
Biotech sustainability
Produced via fermentation, which can be more environmentally friendly than harvesting wild algae.
Cons and cautions
Limited research
Most evidence comes from lab studies or small trials; large-scale human studies are lacking.
Variable potency
The concentration of active compounds can vary between batches, affecting consistency.
Best for
- People with dry or dehydrated skin
- Those looking for a gentle, biotech-based hydrating ingredient
Use caution if
- Anyone with a known allergy to algae or fermented ingredients (rare)
Usage tips
Safety summary
Current data suggests low irritation and allergy risk. However, as with any new ingredient, patch test before widespread use.
Research notes
Early in vitro and small clinical studies indicate potential for hydration and barrier support, but more robust human trials are needed.
Common label clues
- Typical concentration
- 0.1% to 2% in leave-on products
- Regulatory status
- Generally considered safe for cosmetic use; not specifically regulated as a drug ingredient.
- Common uses
- Serums, Moisturizers, Essences
- Environmental note
- Fermentation-based production has a lower environmental footprint compared to petrochemical-derived ingredients.
Good to know
- This ingredient is often found in K-beauty and clean beauty products.
- It is not a sunscreen and does not provide UV protection.
Common questions
What is Mayamaea Permitis Ferment Filtrate in beauty products?
This ingredient is made by fermenting a specific microalgae (Mayamaea permitis) and then using the liquid it grew in. The resulting filtrate contains natural compounds like amino acids and sugars that can help moisturize and soothe the skin. Think of it as a gentle, watery extract that feeds your skin's surface without heavy oils or synthetic additives.
What does Mayamaea Permitis Ferment Filtrate do in a beauty product?
When applied to skin, the filtrate delivers small bioactive molecules that may help attract water (humectancy) and support the skin's natural barrier function. It is thought to calm irritation and improve hydration by providing building blocks for skin cells.
Is Mayamaea Permitis Ferment Filtrate safe for most people?
Current data suggests low irritation and allergy risk. However, as with any new ingredient, patch test before widespread use.
Who should be careful with Mayamaea Permitis Ferment Filtrate?
Anyone with a known allergy to algae or fermented ingredients (rare)
Research sources
Ingredient reviews are educational and are not medical advice. Patch test new products and ask a licensed clinician about persistent irritation, allergies, pregnancy-specific questions, or diagnosed skin conditions.