Aspergillus … Extract
INCI: ASPERGILLUS/SACCHAROMYCES/MORUS ALBA FRUIT/RICE FERMENT LEES EXTRACT
Reviewed by Daisy · Last updated 2 Jun 2026
A fermented blend that conditions skin and supports hydration
Best For Skin Types
All, Dry, Combination, Mature
Addresses
Usage Frequency
Daily
What Is Aspergillus … Extract?
This ingredient is a fermented extract derived from three sources: Aspergillus and Saccharomyces fungi, mulberry fruit (Morus alba), and rice ferment lees (the sediment left after rice fermentation). The combination is created through a fermentation process, which breaks down the plant and fungal components into smaller, more bioavailable molecules.
In skincare, it functions primarily as a humectant and skin conditioner, helping to draw moisture into the skin and improve its texture and suppleness. The fermentation process may also generate beneficial compounds such as amino acids and polysaccharides that support skin hydration and barrier health.
How It Works
As a humectant, this fermented extract works by attracting water molecules from the environment and deeper skin layers, binding them to the outer layers of the skin. This plumps the stratum corneum (the outermost layer) and can temporarily improve skin smoothness and hydration levels.
The fermentation process creates amino acids and polysaccharides, which are natural moisturising factors that mimic compounds found in healthy skin. These molecules help condition the skin surface and may support the skin barrier's natural protective function.
Clinical Evidence & References
Published clinical research specifically on this multi-component fermented extract is limited. However, fermented ingredients in general have been studied for their humectant and skin-conditioning properties, and individual components such as rice ferment extract have shown promise in supporting skin hydration and barrier function in some studies.
The ingredient is considered generally safe and well-tolerated in cosmetic formulations, though individual tolerance varies. More targeted research on this specific blend would help clarify its precise efficacy and optimal concentration ranges.
How to Use
This ingredient works well in serums, essences, and hydrating toners where its humectant properties can be most effective. For best results, apply to damp skin to maximise moisture absorption. It can be layered with other hydrating or treatment products and used both morning and evening as part of a regular skincare routine.
Safety & Precautions
Frequently Asked Questions
From the Clinic
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