Ingredient guide
Lactococcus Ferment Filtrate
INCI name · lactococcus ferment filtrate
In short
Lactococcus Ferment Filtrate is a gentle postbiotic that helps maintain hydration and supports a healthy-feeling barrier. It’s commonly used in formulas designed for comfort and resilience.
Works forFrom reviewed ingredient data
Barrier · Hydration
Best used
Anytime
What it is
Distinct from lactococcus ferment lysate; filtrate form retains different bioactive fraction including bacteriocins and exopolysaccharides; microbiome-modulating; supports skin barrier and hydration; well-tolerated by sensitive skin.
Evidence receipt
No linked study yet
No verified study is linked to this exact ingredient and route. The guidance below describes conventional use; it is not evidence of efficacy.
Where it sits
Serums sit after toner and before moisturiser. Thinnest to thickest, water before oil.
- Cleanse
- Tone
- Lactococcus Ferment Filtrate
- Moisturise
- SPF
Also found as
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Check an ingredient listCommon questions
What does Lactococcus Ferment Filtrate do?
It helps boost barrier comfort and hydration through microbiome‑supportive compounds.
Is it good for sensitive skin?
Yes, it’s generally well‑tolerated and is often used in mild, barrier‑focused formulas.
How is this ingredient used?
You’ll find it in hydrating serums, essences, and moisturisers aimed at strengthening the skin’s overall balance.
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Personal guidance, not medical advice.