Science
Mechanism of Action
This ingredient functions by delivering a concentrated profile of low-molecular-weight peptides, amino acids, and organic acids directly to the stratum corneum. These metabolites reinforce the skin’s Natural Moisturizing Factor (NMF) and stimulate the synthesis of collagen IV and elastin, effectively strengthening the dermal-epidermal junction and stabilizing the resident microbiome.
Research
Clinical Evidence
Medium confidence5%
Key findings
- 01 A 2024 study in the Journal of Cosmetic Dermatology observed significant wrinkle reduction, hydration increases, and skin brightening in sensitive subjects using mixed ferments containing this filtrate at 5-20%.
- 02 Technical evaluations indicate that concentrations as low as 1-5% are sufficient for basic barrier fortification and skin conditioning.
Transparency
Dusting Analysis
Due to its complex INCI name, it is frequently used in trace amounts (<0.1%) to support 'microbiome-friendly' marketing claims. However, clinical data suggests that a minimum of 1% is required for tangible barrier benefits, with 5% being the threshold for anti-aging efficacy.
The Formula
Formulation
Stability
The filtrate is heat-stable up to 50°C, though incorporation during the cool-down phase (<40°C) is recommended to ensure the integrity of heat-sensitive bioactive peptides.
Synergies
- Bifida Ferment Lysate
- Hyaluronic Acid
- Niacinamide
- Ceramides
Conflicts
- Strong oxidizing agents
- Formula pH levels below 3.5 or above 8.5
Safety
Safety Profile
While not specifically reviewed by the CIR, the Bacillus genus and the corn steep liquor substrate have extensive safety records in both food and pharmaceutical applications.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An excellent multi-tasking ferment that provides meaningful microbiome support and structural skin benefits when formulated at active concentrations.
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