biotech
Pear Juice Ferment Filtrate
A fermented pear-derived humectant used in K-beauty essence reformulations. Fermentation enriches the raw pear juice with postbiotic metabolites and organic acids contributing to hydration and skin conditioning.
Benefits
- Humectant function from fermentation-derived polyols and organic acids
- Postbiotic metabolites for skin microbiome support
- Gentle AHA-like activity from fermentation acids
- Skin conditioning and brightening
- Enhances active absorption at low concentrations
Example uses
- K-beauty essence formulations
- Brightening toners
- Fermented skincare layers
- Hydrating serums
- Sheet mask solutions
Mechanism of action
Fermentation of pear juice with selected microorganisms produces organic acids (lactic, malic, citric), short-chain postbiotic metabolites, and fermentation-derived polyols. Organic acids contribute mild exfoliation via corneodesmosomes disruption at appropriate pH. Polyols function as humectants. Postbiotic metabolites may modulate the skin microbiome.
Clinical evidence · Emerging
In vitro conditioning and postbiotic activity studies. No independent RCTs for this specific filtrate.
Effective concentration range
0.5–2%
Formulation notes
Aqueous filtrate; pH 3.5–5. Organic acid content contributes mild acidification — pH management required in formulation. Batch variation from fermentation.
Watchouts
Active compound profile and concentration vary by fermentation process. Without standardisation, clinical extrapolation is difficult. Do not conflate with plain pear juice.
Controversies & overclaims
Fermented ingredient marketing consistently overstates bioavailability improvements without fermentation process standardisation disclosures.
Market positioning
Marketed within fermented K-beauty narrative. Conditioning and mild exfoliation mechanisms are plausible; the microbiome claims require standardised formulation.
Comedogenicity
0 / 5
Sensitisation risk
Low
INCI & aliases
Pyrus Communis Fruit Ferment Filtrate
pyrus communis fruit ferment filtrate · fermented pear filtrate
Clean beauty perception
Accepted in clean and K-beauty. Fermented fruit narrative aligns with K-beauty skincare traditions.
Related ingredients
Graph relationships
Timeline