Ingredient guide
Leuconostoc Ferment Lysate
INCI name · leuconostoc ferment lysate
In short
Leuconostoc Ferment Lysate is a postbiotic rich in fermentation‑derived peptides and metabolites. It helps support the skin barrier and reduce visible redness by encouraging a balanced surface microbiome.
Works forFrom reviewed ingredient data
Barrier · Redness
Best used
Anytime
What it is
Postbiotic lysate from Leuconostoc species fermentation; contains cell wall fragments, peptides, and fermentation metabolites; reinforces skin microbiome competitive exclusion against pathogenic organisms; reduces pro-inflammatory cytokines (IL-6, IL-8) in keratinocyte assays; strengthens epidermal tight junction integrity; compatible with other probiotic-derived ingredients in microbiome-supportive formulations; distinct from other leuconostoc species with unique metabolite profiles.
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
- Leuconostoc Ferment Lysate
- Moisturise
- SPF
Also found as
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Check an ingredient listCommon questions
What does Leuconostoc Ferment Lysate do for skin?
It supports barrier integrity, calms visible redness, and promotes a balanced microbiome environment. Lab studies show reduced pro‑inflammatory signals in skin cells.
Who is Leuconostoc Ferment Lysate for?
It suits skin that appears easily irritated or needs stronger barrier support. Most skin types can tolerate it well due to its mild postbiotic nature.
How is Leuconostoc Ferment Lysate used in skincare?
It is blended into serums, essences, and moisturisers focused on barrier and soothing benefits. It also pairs well with other probiotic‑derived ingredients.
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Personal guidance, not medical advice.