Aspergillus/Rice Germ Ferment Extract Filtrate
INCI: ASPERGILLUS/RICE GERM FERMENT EXTRACT FILTRATE
Reviewed by Emma · Last updated 14 Aug 2026
A fermented rice extract that softens and conditions the skin barrier
Best For Skin Types
All, Dry, Sensitive, Mature
Addresses
Usage Frequency
Daily
What Is Aspergillus/Rice Germ Ferment Extract Filtrate?
Aspergillus/Rice Germ Ferment Extract Filtrate is derived from rice germ that has undergone fermentation using Aspergillus fungi. The fermentation process breaks down rice components into smaller, more bioavailable molecules, which are then filtered to create a concentrated extract. This ingredient functions primarily as an emollient, helping to soften and smooth the skin surface.
The fermentation process is significant because it can enhance the nutritional profile of the raw rice material, potentially increasing amino acids, peptides, and other beneficial compounds that support skin conditioning.
How It Works
As an emollient, this ingredient works by forming a protective layer on the skin surface that slows water evaporation. This helps keep the stratum corneum (outer skin layer) hydrated and pliable. Fermented plant extracts may also contain amino acids and small peptides that can be incorporated into the skin's natural moisturising factor, further supporting hydration.
The bioavailability introduced by fermentation means these compounds are already in a form that skin cells may more readily use, compared to unfermented plant material.
Clinical Evidence & References
Specific clinical studies on Aspergillus/Rice Germ Ferment Extract Filtrate are limited in the published literature. However, fermented botanical extracts in general have been shown in some research to enhance skin hydration and support barrier function, though the quality and scope of available studies varies.
Rice-derived ingredients have a longer history of use in skincare and are generally recognised for their conditioning properties. Evidence for this particular fermented form would benefit from further independent research to establish optimal concentrations and efficacy claims.
How to Use
This ingredient is typically found in serums, creams, and essences. It can be used morning and evening as part of a regular skincare routine. Because it is an emollient rather than an active treatment, it pairs well with other ingredients and is unlikely to cause issues when layered with vitamin C, niacinamide, or gentle exfoliants. Use a pea-sized amount and warm between your palms before pressing gently into the skin.
Safety & Precautions
Frequently Asked Questions
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