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SACCHAROMYCES/RICE SPROUT FERMENT FILTRATE.

Valuable / HUMECTANT

This yeast and rice sprout ferment filtrate delivers a comprehensive array of benefits, enhancing skin health through hydration, barrier repair, and antioxidant protection. It actively promotes cellular renewal and collagen synthesis, visibly improving skin texture and elasticity.

Skin-Conditioning Agent Humectant Antioxidant Collagen Booster Anti-inflammatory Barrier Repair Moisturizer Cell Renewal Exfoliating Sebum Regulator

Science

Derived from the fermentation of rice with yeast, this filtrate enriches the skin with essential nutrients and potent antioxidants. It functions to reduce inflammation, stimulate collagen production, and improve skin elasticity, texture, while diminishing the appearance of fine lines and wrinkles. As a natural antioxidant, it effectively neutralizes free radicals, mitigating premature skin aging. The ingredient contains valuable polysaccharides and peptides that nourish and maintain skin moisture, alongside amino acids like glycine and proline, which are key components of natural moisturizing factors (NMFs). It activates aquaporin 3 (AQP3) expression, significantly enhancing the skin's capacity for active water absorption. Polysaccharides such as β-glucan bolster skin barrier function by stimulating tight junction protein synthesis. Furthermore, it supports skin immunity, promotes natural exfoliation, encourages new cell growth, and improves microcirculation, contributing to a healthier complexion. Its ability to reduce pore visibility and oil production makes it beneficial for acne-prone skin, serving as both a humectant and a skin conditioning agent.


Research

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 An in vitro study demonstrated that at 0.25%, when combined with 0.25% sialic acid, it significantly boosted collagen expression and enhanced skin cell resilience against inflammatory responses and oxidative stress.
  2. 02 Topical application in an unspecified 'RFF-containing face cream' over 8 weeks was observed to notably diminish wrinkle area and length around the eyes, simultaneously improving skin firmness and smoothness.
  3. 03 A germinated rice fermentation liquid (fermented with Saccharomyces veronae), with an evaporation residue component of more than 0.1%, demonstrated remarkable moisture retention and rapidly hydrated the stratum corneum.

Transparency

Not commonly dusted

The Formula

Solubility
Water
Optimal pH N/A
0 7 14

Synergies

  • Sialic acid (for enhanced collagen expression and anti-aging effects)

Safety

CIR Status
Insufficient data
Sensitization risk Low

While the CIR Expert Panel has deemed data insufficient for a closely related ingredient ('Saccharomyces Ferment Filtrate'), this ingredient is generally considered safe for cosmetic use across all skin types, with rare reports of irritation. Regulatory bodies like the US FDA and European Cosmetics Regulation do not classify it as harmful. *Saccharomyces cerevisiae* (a general yeast) is affirmed as Generally Recognized As Safe (GRAS) at up to 5% in food. A patch test is advised for individuals with sensitive skin.


Your Skin

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Valuable

This multifaceted ferment offers significant benefits for skin hydration, barrier integrity, anti-aging, and overall skin health, making it a valuable addition to precision skincare formulations.


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