Rice Ferment Filtrate
INCI: RICE FERMENT FILTRATE
Reviewed by Daisy · Last updated 20 Jul 2026
A fermented ingredient that supports skin hydration and collagen integrity
Best For Skin Types
All, Mature, Dry
Addresses
Usage Frequency
Daily
What Is Rice Ferment Filtrate?
Rice ferment filtrate is a liquid extract derived from fermented rice, produced through a controlled fermentation process. During fermentation, beneficial compounds are broken down and concentrated, creating a filtrate rich in amino acids, peptides, and polysaccharides that can be incorporated into skincare formulations.
In cosmetics, rice ferment filtrate functions as a skin conditioning agent. It is typically included in formulations at low concentrations and is found in a small proportion of skincare products, particularly targeted treatments for the eye area and anti-aging ranges.
Benefits for Your Skin
How It Works
Rice ferment filtrate works through multiple pathways. The fermentation process concentrates amino acids and peptides, which can be recognised by skin cells and support natural renewal processes. When applied topically, these compounds signal to fibroblasts (the cells responsible for collagen production) to increase collagen synthesis.
Research using advanced imaging techniques suggests the ingredient penetrates beyond the outermost skin layer (stratum corneum) into the deeper dermis within 30 minutes of application. Additionally, the antioxidants present in the filtrate appear to reduce inflammatory markers and oxidative stress, both of which accelerate visible aging.
Clinical Evidence & References
In vitro studies show promising results: rice ferment filtrate combined with sialic acid significantly increased collagen gene transcription and enhanced mRNA stability in fibroblast models. A 12-week clinical trial on an eye cream containing yeast and rice fermentation filtrate (alongside other active ingredients) demonstrated measurable improvements in skin hydration, elasticity, and collagen density when assessed via Corneometer, Cutometer, and ultrasound imaging.
However, these studies involved multi-component formulations rather than the ingredient in isolation, making it difficult to attribute results solely to rice ferment filtrate. Additional research isolating this ingredient's contribution would strengthen confidence in its efficacy.
Published Research
How to Use
Rice ferment filtrate is most effective when used as part of a consistent skincare routine. It is typically found in eye creams, serums, and targeted anti-aging products. Apply to clean skin morning and evening, allowing time for absorption before applying other treatments. Results tend to develop over weeks of regular use rather than immediately, so patience and consistency are key.
Safety & Precautions
Frequently Asked Questions
From the Clinic
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