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Ferment filtrate · ingredient guide
Barley Ferment Filtrate is a biotechnology-derived humectant made by fermenting barley-based material with Saccharomyces yeast and filtering the result. It helps formulas retain moisture, but the INCI does not prove a beta-glucan amount, live yeast, gluten-free status or a guaranteed hydration result.
The useful answer
Its humectant role is established, and one small multi-ingredient essence pilot reported improved hydration and texture. The exact filtrate was not isolated, so the size and reliability of a visible benefit remain product-specific.
Humectant function explains why formulators use the ingredient. It does not turn an ingredient-list match into a guaranteed hydration percentage or prove the presence of a particular barley beta-glucan. [1][2][6]
Saccharomyces/Barley Seed Ferment Filtrate has a recognized humectant function in cosmetics: it helps hold and retain moisture within a formula. In a well-designed product, that supports softer, more hydrated-feeling skin. [1]
A 25-person pilot reported improved hydration and texture after four weeks with a complex essence containing this exact filtrate. The study had no vehicle control and many co-ingredients, so it does not isolate the barley ferment's effect. [2][6]
This guide maps only SACCHAROMYCES/BARLEY SEED FERMENT FILTRATE. The yeast genus, barley seed basis and filtrate preparation remain part of the identity.
| Displayed form | Exact INCI identity | Typical function |
|---|---|---|
| Barley Seed Ferment Filtrate | SACCHAROMYCES/BARLEY SEED FERMENT FILTRATE | Humectant |
barley ferment filtrate · fermented barley skincare · saccharomyces barley ferment · barley seed ferment filtrate · barley ferment skincare
Saccharomyces/Barley Seed Ferment Extract · Saccharomyces/Barley Seed Ferment Lysate · Saccharomyces/Barley Ferment Filtrate · Lactobacillus/Barley Seed Ferment Filtrate · Aspergillus/Saccharomyces/Barley Seed Ferment Filtrate Extract · Hordeum Vulgare (Barley) Seed Extract · Hordeum Vulgare Extract · Hordeum Vulgare Leaf Juice · Barley Extract · Barley Water · Malt Extract · Saccharomyces Ferment Filtrate · Yeast Extract · Beta-Glucan · Beer, barley food, drink or supplement · Generic fermented barley marketing without the exact INCI
Follow the finished product's directions. Apply an essence or serum after cleansing and toner and before moisturizer; other formats follow their own placement and rinse instructions. [3]
Use morning or evening when the label allows. A moisturizer can follow a thinner ferment step when more comfort or seal is wanted. [1]
Patch-test the complete formula if reactive. Test it on a small area twice daily for seven to 10 days before broader use. [4]
Stop use for persistent burning, redness, itching, swelling or rash and seek appropriate care for a severe or spreading reaction. [4]
Glycerin can add a separate humectant contribution. The finished formula determines total hydration and feel.
Moisturizer
A moisturizer can add emollient and sealing components after a thinner hydration step.
Broad-spectrum sunscreen
Broad-spectrum sunscreen supplies daytime UV protection; a barley ferment filtrate does not. [5]
Sensitive or reactive skin
Patch-test the complete formula if reactive. Fermented wording does not guarantee zero irritation. [4]
Barley allergy or gluten-related concerns
The INCI does not certify residual-protein, barley-allergen or gluten status. Ask the manufacturer and an appropriate clinician when this matters. [1][5]
Breakout-prone skin
No evidence establishes universal non-comedogenic or fungal-acne-safe use. Judge the complete formula and your response. [6]
Pregnancy or breastfeeding
Pregnancy suitability belongs to the complete product. Check the formula and ask a prenatal clinician about personal concerns.
Its recognized function is humectant. The label does not specify a beta-glucan identity, amount or molecular profile. [1][6]
A ferment filtrate is filtered fermentation material, not a declaration of living yeast cells. [1]
The pilot tested a complete essence without a vehicle control, so improved hydration and texture cannot be attributed to this filtrate alone. [2][6]
Barley extract, barley water, malt, beer, yeast extract and barley ferment filtrate are separate ingredients and exposure contexts.
Keep exploring
A fermented soybean extract commonly used to condition skin and help it feel softer, smoother and well cared for.
A fermented pomegranate fruit extract commonly used to condition skin and help it feel softer, smoother and refreshed.
A classic humectant that helps skin hold water and feel softer and smoother.
It is the filtered material produced after fermenting barley-based material with Saccharomyces yeast. Its recognized cosmetic function is humectant. [1]
It helps hold and retain moisture within cosmetic formulas, supporting softer, more hydrated-feeling skin. The finished product controls how noticeable that benefit is. [1][6]
No. The name does not prove a beta-glucan amount or even that beta-glucan is the relevant component. Exact BETA-GLUCAN is a separate cosmetic identity. [1][6]
No. Ferment filtrate is filtered fermentation material, not a declaration of live yeast or probiotic organisms.
We prioritize controlled human studies, systematic reviews, cosmetic safety assessments, and US regulatory guidance. Study design and conflicts are noted when they affect how broadly a result can be used.
2026-08-17
Authoritative identity and cosmetic-function record: Saccharomyces-fermented barley-based filtrate with a humectant function and biotechnology/plant biotechnology origin.
2021-10-06 · PMID 34713611 · PMCID PMC8494714 · DOI 10.1002/mbo3.1236
Uncontrolled 25-person, four-week pilot of a proprietary multi-ingredient essence containing exact Barley Seed Ferment Filtrate and Soybean Ferment Extract. Hydration and texture improved, but the study cannot isolate either ferment.
2026-08-17
Official US page for Mixsoon Bean Essence 50 mL, checked 2026-08-17. The current seven-item ordered formula lists exact Saccharomyces/Barley Seed Ferment Filtrate at item 6.
A moisture-supporting polysaccharide commonly used to help skin feel hydrated, soothed and more comfortable.
A biotechnology-derived ferment lysate used to condition skin; direct human evidence is limited to specific materials and complete formulas.
No. Barley seed extract, barley water, malt, beer, yeast extract and this Saccharomyces ferment filtrate are different materials. [1]
Use the complete product as directed. In an essence or serum, apply after cleansing and toner and before moisturizer. It may fit morning or evening care when the label permits. [3]
The ingredient name does not guarantee sensitive-skin suitability. Patch-test the finished formula if reactive and stop for persistent burning, itching, swelling or rash. [4]
2021-08-10
Dermatologist guidance for testing a finished skincare product on a small area twice daily for seven to 10 days and stopping after a reaction.
2026-08-17
FDA boundary separating cosmetic appearance and conditioning claims from treatment claims; also supports keeping allergy and suitability questions product-specific.
2022-12-01
FTC substantiation guidance used to prevent transfer of a multi-ingredient formula result, beta-glucan claim or another ferment's evidence to this exact filtrate.
Formula-verified matches
Products appear only when a current verified US or US-serving complete formula separately lists exact SACCHAROMYCES/BARLEY SEED FERMENT FILTRATE. A match proves formula membership—not beta-glucan content, percentage, hydration level, live yeast, gluten status or suitability.
No verified product matches are published yet.
We hide uncertain matches instead of recommending a product from supplier marketing copy. Products will appear here as their current US label formulas are verified.
