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Fermented Ingredient

Saccharomyces/Rice Ferment Filtrate

A nutrient-rich fermented ingredient that helps hydrate, brighten, smooth, and condition the skin while supporting a healthy-looking skin barrier and radiant complexion.

Key Benefits

  • Helps boost hydration
  • Softens and smooths texture
  • Supports a radiant appearance
  • Conditions dry-feeling skin
  • Complements barrier-supportive care

How It Works

Saccharomyces yeast metabolizes rice-derived nutrients during fermentation, producing a water-soluble mixture that can contain amino acids, sugars, organic acids, and other fermentation metabolites. Filtration removes cells and insoluble residues, leaving the soluble fraction used in cosmetics.

Many of these small, water-compatible components help attract and retain moisture at the skin surface and improve feel. Fermentation may also change the accessibility of rice-derived compounds, though the final profile is highly dependent on how the raw material is made.

A recent ex-vivo study reported reduced advanced glycation end-product formation when this ferment was delivered with a hyaluronic-acid nanogel and iontophoresis. Because that delivery system differs from ordinary skincare, the finding is best treated as early mechanistic evidence rather than a general product claim.

Ingredient Details

INCI Name: Saccharomyces/Rice Ferment Filtrate

Ingredient Type: Ferment Filtrate

Best For

Dry or dehydrated skin · Dull-looking skin · Rough or uneven texture · Sensitive-looking skin · Most skin types

Research

Ex-vivo study: Saccharomyces/Rice Ferment Filtrate in a skin-glycation model →

What It Is

A yeast-fermented rice filtrate containing the soluble products of Saccharomyces fermentation. It is a processed cosmetic ingredient rather than live yeast, and its precise composition varies with the production method.

What It Does

Helps draw moisture to the skin, soften rough texture, and improve the look of dullness. Its soluble fermentation products make it a versatile conditioning ingredient for hydrating and radiance-focused formulas.

Saccharomyces/Rice Ferment Filtrate FAQs

Common questions about this ingredient in skincare.

What is Saccharomyces/Rice Ferment Filtrate?
It is the filtered, soluble material produced after Saccharomyces yeast ferments a rice-derived substrate. It does not ordinarily contain intact live yeast after filtration.
What does it do for skin?
It primarily hydrates and conditions, helping the skin feel softer and smoother and look more luminous. Benefits depend on the concentration and overall formula.
Is it the same as rice water?
No. Rice water is a simple water-based preparation, while this ingredient undergoes controlled yeast fermentation and filtration, producing a different mixture of soluble compounds.
Is it a probiotic ingredient?
It is better described as a fermented or postbiotic-style filtrate. It generally does not function as a live probiotic on the skin.
Can sensitive skin use it?
It is commonly used in gentle hydrating formulas and may be suitable for sensitive skin, but any complete product can cause an individual reaction. Patch test when needed.
Does it prevent glycation or reverse skin aging?
Research on anti-glycation effects is emerging and includes specialized laboratory delivery methods. Ordinary cosmetics should not be assumed to reproduce those results or reverse aging.
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