Ingredient guide
L. Fermentum Ferment Filtrate
Limosilactobacillus Fermentum Ferment Filtrate
In short
A ferment filtrate from Limosilactobacillus fermentum known for antioxidant and calming metabolites. It may help reduce the look of redness and support a balanced barrier. Research in skincare is still early.
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What it is
Ferment filtrate of Limosilactobacillus fermentum (formerly Lactobacillus fermentum, reclassified 2020); produces glutathione and iron-chelating metabolites supporting keratinocyte redox balance; antioxidant metabolites and short-chain fatty acids in filtrate support anti-inflammatory skin tone; new genus INCI follows 2020-2021 Lactobacillaceae reclassification.
Where it sits
Serums sit after toner and before moisturiser. Thinnest to thickest, water before oil.
- Cleanse
- Tone
- L. Fermentum Ferment Filtrate
- Moisturise
- SPF
Also found as
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Where to find it
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Search the Lens for l. fermentum ferment filtrateCommon questions
What does L. Fermentum Ferment Filtrate do for skin?
Its antioxidant and soothing metabolites can help skin look calmer and less reactive. It also supports surface balance.
Who might use L. Fermentum Ferment Filtrate?
It can suit sensitive or oilier skin types looking for gentle redness‑reducing and balancing benefits.
How is this ingredient used in products?
It appears in toners, essences, or serums as part of microbiome‑supporting blends.
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Personal guidance, not medical advice.