Ingredient guide
L. Gasseri Ferment Filtrate
Lactobacillus Gasseri Ferment Filtrate
In short
A ferment filtrate from Lactobacillus gasseri that offers moisturising and surface‑balancing postbiotic compounds. It’s being explored for supporting clearer‑looking, less reactive skin. Evidence is still developing.
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What it is
Ferment filtrate of Lactobacillus gasseri (genus unchanged in 2020 reclassification); commensal skin and vaginal strain producing gassericins active against Staphylococcus species; exopolysaccharide fraction shows skin moisturising and microbiome-modulating potential in early topical studies; emerging in postbiotic skincare targeting acne-related dysbiosis.
Where it sits
Serums sit after toner and before moisturiser. Thinnest to thickest, water before oil.
- Cleanse
- Tone
- L. Gasseri Ferment Filtrate
- Moisturise
- SPF
Also found as
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Where to find it
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Search the Lens for l. gasseri ferment filtrateCommon questions
What does L. Gasseri Ferment Filtrate do?
It supports hydration and helps skin look more balanced, especially where oiliness or visible redness is a concern.
Who is it for?
It can suit sensitive or oilier skin looking for microbiome‑aware formulations.
How is it used?
It’s added to essences and serums aimed at maintaining surface balance and comfort.
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Personal guidance, not medical advice.