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Ingredient guide
Levilactobacillus Brevis Ferment Filtrate
In short
A ferment filtrate from Levilactobacillus brevis containing film‑forming and hydrating postbiotic components. It can help keep moisture on the skin’s surface and support a comfortable barrier. Evidence is still early.
Reviewed against published evidence · editorially independent · no brand pays for placement
Works for
Barrier · Hydration
Skin type
Sensitive · Dry
Best used
Anytime
What it is
Ferment filtrate of Levilactobacillus brevis (formerly Lactobacillus brevis, reclassified 2020); heterofermentative strain producing exopolysaccharides with antioxidant and film-forming properties; brevin bacteriocins have antimicrobial activity; EPS fraction explored for skin hydration and microbiome-modulating applications; new genus INCI follows 2020-2021 Lactobacillaceae reclassification.
Also found as
Related
Common questions
It offers hydration support and a light, protective feel from its exopolysaccharides. These can help skin look smoother and better moisturised.
Yes, it’s generally used for dry or easily irritated skin thanks to its gentle moisture‑retaining properties.
You’ll find it in hydrating serums and moisturisers where it complements humectants and barrier‑supporting ingredients.
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Personal guidance only · For clinical concerns, see a dermatologist.