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Ingredient guide
limosilactobacillus reuteri ferment lysate
In short
L. reuteri Ferment Lysate is a postbiotic made from non‑living bacterial fragments that help support a calmer, more resilient skin barrier. It’s valued for its gentle, redness‑reducing feel.
Reviewed against published evidence · editorially independent · no brand pays for placement
Works for
Barrier · Redness
Skin type
Sensitive
Best used
Anytime
What it is
Postbiotic lysate of the reclassified Limosilactobacillus reuteri (formerly Lactobacillus reuteri); contains heat-killed cell wall fragments and exopolysaccharides associated with TLR-mediated barrier signalling; non-viable form is shelf-stable and well tolerated in leave-on systems.
Also found as
Related
Common questions
It supports barrier signalling and can help reduce the look of surface redness. The result is a more settled, comfortable feel.
It works well for sensitive or easily disrupted skin, and for anyone wanting a mild postbiotic in their routine.
It’s common in serums and moisturisers aimed at supporting the skin’s natural defences. It layers well with ceramides and humectants.
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Personal guidance only · For clinical concerns, see a dermatologist.