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RHIZOPUS/SACCHAROMYCES/RICE FERMENT.

Valuable / SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

RHIZOPUS/SACCHAROMYCES/RICE FERMENT is a complex bio-ferment, intricately derived from rice through the synergistic action of Rhizopus and Saccharomyces microorganisms. This potent ingredient is rich in meticulously processed bioactive compounds that deeply hydrate, nourish, and support skin barrier integrity, while also offering significant anti-aging and soothing benefits.

Summary

skin-conditioning moisturizing soothing anti-aging antioxidant skin brightening wrinkle repair

Science

Mechanism of Action

Utilizing a precise multi-stage fermentation process, Rhizopus and Saccharomyces microorganisms expertly break down complex rice starches into a highly bioavailable filtrate. This filtrate is abundant in essential vitamins, minerals, amino acids, peptides, organic acids, and polyphenols. These sophisticated components collectively provide comprehensive hydration, reinforce the skin's natural barrier function, stimulate endogenous collagen synthesis to enhance elasticity, and visibly reduce the signs of aging. Furthermore, this ferment modulates the skin's microflora balance, calms irritation, and delivers robust antioxidant defense against environmental stressors.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 A study on a related red rice ferment, utilizing *Aspergillus oryzae* rather than Rhizopus/Saccharomyces, at a 1.25% concentration, demonstrated significant increases in skin water content and overall moisture levels within a 3D epidermal model. This formulation also upregulated the mRNA expression of critical moisturizing and barrier-related proteins and genes, specifically Aquaporin 3 (AQP3), Filaggrin (FLG), Hyaluronan Synthase 1 (HAS1), Claudin 1 (CLDN1), Involucrin (IVL), and Zonula Occludens-1 (ZO-1). Additionally, it promoted the proliferation of human dermal fibroblasts, enhanced the mRNA expression of ECM-related anti-aging genes, and effectively reduced reactive oxygen species production.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 4 – 6
0 7 14

Stability

Fermented rice ingredients inherently contribute to formulations with enhanced stability and a balanced pH profile. The optimal enzymatic activity of glucoamylase, particularly from *Rhizopus* strains during the rice saccharification phase, occurs efficiently between pH 4.0 and 6.0. The fermentation process itself often stabilizes the final product at approximately pH 4.0, contributing to overall formulation robustness.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

The specific combination, RHIZOPUS/SACCHAROMYCES/RICE FERMENT, has not undergone an individual review by the Cosmetic Ingredient Review (CIR) Expert Panel. However, its constituent microorganisms, *Saccharomyces cerevisiae* and *Rhizopus oryzae*, are recognized as Generally Recognized As Safe (GRAS) by the FDA for specific applications. The CIR has evaluated various yeast-derived ingredients, typically categorizing *Saccharomyces cerevisiae*-derived compounds as skin-conditioning agents. Fermented rice ingredients are generally considered mild, with the fermentation process potentially reducing allergenic proteins and irritants, making them suitable for sensitive skin conditions, including eczema and rosacea.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

RHIZOPUS/SACCHAROMYCES/RICE FERMENT is a valuable multi-functional ingredient, poised to enhance hydration, fortify the skin barrier, and deliver comprehensive anti-aging benefits, particularly suitable for a diverse range of skin types, including sensitive skin.

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