Ingredient guide
L. Casei Ferment Filtrate (New Genus)
Lacticaseibacillus Casei Ferment Filtrate
In short
A new‑genus INCI for Lacticaseibacillus casei ferment filtrate, rich in barrier‑supporting postbiotic components. It helps calm visible redness and improve surface comfort. Often used in sensitive‑skin formulas.
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What it is
New-genus INCI for Lacticaseibacillus casei ferment filtrate (formerly Lactobacillus casei, reclassified 2020); distinct INCI from the legacy Lactobacillus casei entry; rich in immunomodulatory peptidoglycans and lipoteichoic acids engaging TLR2 signalling; well-documented in oral probiotic research and increasingly in topical skin microbiome formulations.
Where it sits
Serums sit after toner and before moisturiser. Thinnest to thickest, water before oil.
- Cleanse
- Tone
- L. Casei Ferment Filtrate
- Moisturise
- SPF
Also found as
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Where to find it
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Search the Lens for l. casei ferment filtrate (new genus)Common questions
What does L. Casei Ferment Filtrate do?
It supports a calmer, stronger-looking barrier and helps reduce the appearance of redness.
Which skin types benefit most?
Sensitive and dry skin often respond well to its comforting, barrier‑focused profile.
How is it used in products?
It appears in serums and moisturisers designed to reinforce barrier resilience.
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Personal guidance, not medical advice.