Ingredient guide
L. reuteri Ferment Lysate
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.
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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.
Where it sits
Serums sit after toner and before moisturiser. Thinnest to thickest, water before oil.
- Cleanse
- Tone
- L. reuteri Ferment Lysate
- Moisturise
- SPF
Also found as
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Where to find it
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Search the Lens for l. reuteri ferment lysateCommon questions
What does L. reuteri Ferment Lysate do for skin?
It supports barrier signalling and can help reduce the look of surface redness. The result is a more settled, comfortable feel.
Who can use L. reuteri Ferment Lysate?
It works well for sensitive or easily disrupted skin, and for anyone wanting a mild postbiotic in their routine.
How is L. reuteri Ferment Lysate used in skincare?
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, not medical advice.