Science
Mechanism of Action
SACCHAROMYCES/RICE/RICE BRAN FERMENT FILTRATE functions as a multifaceted skin conditioner. Its fermentation process yields easily absorbed small-molecule amino acids, peptides, organic acids, vitamins, minerals, and beta-glucan, which deeply nourish and hydrate the skin, supporting cellular regeneration. Key components like ferulic acid, coumarin, gamma-oryzanol, and Vitamin E provide potent antioxidant activity by neutralizing free radicals, thereby protecting against environmental stressors and contributing to anti-aging benefits. The ingredient strengthens the skin barrier through stimulating tight junction protein synthesis, which reduces trans-epidermal water loss (TEWL) and increases stratum corneum hydration. It also aids in balancing the skin's microbiome and can inhibit tyrosinase activity via ferulic acid, leading to improved skin tone and brightness. Furthermore, it enhances collagen production, contributing to increased skin elasticity, and the fermentation process itself reduces potential irritants while promoting a stable, pH-balanced formulation with gentle exfoliating benefits from lactic acid.
Research
Clinical Evidence
High confidence20%
Key findings
- 01 Achieved a 9.29% improvement in skin whitening and a 44.31% improvement in moisturizing over a 30-day period. Demonstrated substantial antioxidant capacity with 71.4% DPPH free radical scavenging ability (at 100.0 mg/mL solution, comparable to Vitamin C) and an IC50 of 9.23 mg/mL for melanin synthesis inhibition.
- 02 Resulted in a 5.36% improvement in skin whitening and a 20.48% improvement in moisturizing over a 30-day period.
- 03 Showed a 3.69% improvement in skin whitening and a 7.68% improvement in moisturizing over a 30-day period.
- 04 Provided a 2.43% improvement in skin whitening and a 6.02% improvement in moisturizing over a 30-day period.
- 05 Yielded a 0.35% improvement in skin whitening and a 2.02% improvement in moisturizing over a 30-day period.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
The fermentation process inherently contributes to a more stable, pH-balanced formulation. This ingredient presents as a colorless to pale yellow transparent liquid with a characteristic mild yeast aroma.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has not explicitly determined the safety of this exact ingredient, citing 'insufficient data' for many *Saccharomyces* ingredients. However, the ingredient generally exhibits an 'excellent safety profile' and is not noted to cause irritation or adverse reactions. It holds a 'LOW' concern rating for Cancer, Allergies & Immunotoxicity, Developmental and Reproductive Toxicity, and Use Restrictions by EWG.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This ferment filtrate is a valuable ingredient, offering significant, dose-dependent improvements in hydration, brightness, and antioxidant defense across all skin types, with an excellent safety profile.
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References
Sources
- ufu.br ↗
- ulprospector.com ↗
- incidecoder.com ↗
- ouleherb.com ↗
- sincereskincare.com ↗
- shikobeauty.com ↗
- mdpi.com ↗
- scribd.com ↗
- oreateai.com ↗
- frontiersin.org ↗
- researchgate.net ↗
- paulaschoice.co.uk ↗
- cir-safety.org ↗
- ewg.org ↗