Ingredient guide
L. Salivarius Ferment Filtrate
INCI name · Ligilactobacillus Salivarius Ferment Filtrate
In short
A ferment filtrate from Ligilactobacillus salivarius containing metabolites that can help balance skin’s surface microbiome. It’s often explored for calming visible redness and supporting clearer‑looking skin. Evidence is still emerging.
What it is
Ferment filtrate of Ligilactobacillus salivarius (formerly Lactobacillus salivarius, reclassified 2020); produces salivaricin bacteriocins with activity against gram-positive organisms including C. acnes and S. aureus; lysate and filtrate fractions explored for microbiome-management formulations targeting acne and dysbiosis patterns; new genus INCI follows 2020-2021 reclassification.
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
- L. Salivarius Ferment Filtrate
- Moisturise
- SPF
Also found as
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Check an ingredient listCommon questions
What does L. Salivarius Ferment Filtrate do?
It provides microbiome‑supporting metabolites that may help reduce visible surface imbalance and redness.
Who is it for?
It can suit sensitive or oilier skin wanting gentle surface‑balancing support.
How is it used in skincare?
It’s included in microbiome‑focused essences and serums designed to support a more balanced appearance.
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Personal guidance, not medical advice.