Phellinus Linteus Ferment Filtrate
INCI: PHELLINUS LINTEUS FERMENT FILTRATE
Reviewed by Rosie · Last updated 2 Jun 2026
A fermented mushroom extract with potential antioxidant and skin-conditioning properties
Best For Skin Types
All, Sensitive, Dry
Addresses
Usage Frequency
Daily
What Is Phellinus Linteus Ferment Filtrate?
Phellinus linteus ferment filtrate is derived from the fruiting body of Phellinus linteus, a polypore fungus traditionally used in East Asian medicine. The ingredient is created through a fermentation process that breaks down the mushroom's cell walls, releasing bioactive compounds into a liquid filtrate. This concentrated extract is then incorporated into skincare formulations.
In cosmetic applications, it functions primarily as an antioxidant and skin conditioner, with some evidence suggesting anti-inflammatory properties. The fermentation process may enhance bioavailability compared to non-fermented mushroom extracts.
How It Works
The bioactive compounds in Phellinus linteus ferment filtrate — including polysaccharides and phenolic compounds — are thought to work through multiple pathways. The antioxidant molecules scavenge free radicals, whilst polysaccharides may enhance skin hydration by drawing moisture into the outer layers of the skin.
Additionally, some research suggests these fermented extracts may have mild anti-inflammatory properties, potentially helping to calm reactive or sensitised skin. The fermentation process appears to increase the concentration and accessibility of these beneficial compounds compared to unfermented mushroom material.
Clinical Evidence & References
Clinical research specifically on Phellinus linteus ferment filtrate in skincare is limited. Most evidence comes from in vitro studies and traditional use rather than controlled human trials. The existing data suggests antioxidant activity and some anti-inflammatory potential, but robust, peer-reviewed studies evaluating efficacy in skincare formulations remain sparse.
The ingredient appears safe and well-tolerated in cosmetic concentrations, though individual sensitivity responses can vary. More rigorous clinical testing would help establish specific efficacy claims and optimal usage concentrations for different skin concerns.
How to Use
Phellinus linteus ferment filtrate is typically found in serums, essences, and treatment products rather than as a standalone ingredient. Apply to cleansed skin before heavier creams or oils to allow the fermented extract to absorb effectively. It can generally be used daily as part of a consistent routine, though those new to fermented ingredients may wish to introduce it gradually to assess tolerance.
Safety & Precautions
Frequently Asked Questions
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