Science
Mechanism of Action
This ingredient actively supports skin health by balancing the skin's microflora and reinforcing its protective barrier, which subsequently reduces irritation. It contains natural enzymes that gently break down keratin in skin cells, leading to a smoother texture and accelerated cellular renewal. Aspergillus Ferment significantly boosts the expression of Aquaporin-3 (AQP3), Filaggrin (FLG), and Hyaluronan Synthase 1 (HAS1), thereby optimizing epidermal water supply, improving hydration, and enhancing barrier function. Furthermore, by-products of the fermentation process regulate melanin production for skin brightening, while its antioxidant and anti-inflammatory properties offer protection and soothing benefits. It also notably improves the absorption of other active ingredients.
Research
Clinical Evidence
High confidence2-3%
Transparency
Dusting Analysis
There is no available data to indicate that Aspergillus Ferment is commonly 'dusted' or used at ineffective concentrations in formulations.
The Formula
Formulation
Stability
Aspergillus Ferment exhibits good pH stability within a range of 3.5 to 7.0 and can tolerate temperatures up to 80°C. It is often supplied as an aqueous blend with butylene glycol to facilitate formulation.
Synergies
- Other active ingredients (enhances absorption)
- Hydrating agents (potentiates intrinsic hydration mechanisms)
Conflicts
- High-pH ingredients (may compromise stability outside optimal pH range)
- Strong exfoliants (potential for over-exfoliation when combined with its enzymatic action)
Safety
Safety Profile
The CIR Expert Panel for Cosmetic Ingredient Safety has indicated insufficient data for some general yeast-derived ingredients without specific species information. However, Aspergillus Ferment is broadly recognized as safe for cosmetic use by the European Union and other regulatory bodies, and EWG rates it with low concerns for toxicity. While generally well-tolerated, individuals with known fungal allergies or highly sensitive skin should consider a patch test prior to widespread use.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Aspergillus Ferment is a highly valuable, multi-functional ingredient providing robust benefits in hydration, barrier reinforcement, skin brightening, and gentle anti-aging, suitable for all skin types.
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References
Sources