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Ingredient guide
Lentilactobacillus Buchneri Ferment Filtrate
In short
A ferment filtrate from Lentilactobacillus buchneri that offers mild exfoliating acids and moisture‑supporting components. It can contribute to smoother texture and better hydration. Research remains limited.
Reviewed against published evidence · editorially independent · no brand pays for placement
Works for
Barrier · Hydration
Skin type
Dry · Sensitive
Best used
Anytime
What it is
Ferment filtrate of Lentilactobacillus buchneri (formerly Lactobacillus buchneri, reclassified 2020); heterofermentative metabolism produces 1,2-propanediol alongside lactic and acetic acids; organic acid profile contributes to mild exfoliation and pH buffering; EPS fraction explored for topical hydration; new genus INCI follows 2020-2021 Lactobacillaceae reclassification.
Also found as
Related
Common questions
Its organic acid profile offers gentle smoothing while its postbiotic components help with surface hydration.
It can work for these skin types, though very reactive skin may prefer patch testing due to the mild exfoliating acids.
It’s typically blended into hydrating or gentle resurfacing formulas to support smoothness and moisture.
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Personal guidance only · For clinical concerns, see a dermatologist.