Science
Mechanism of Action
This ferment extract deeply moisturizes, significantly enhancing skin's elasticity and overall radiance. It functions as a natural antioxidant, providing cellular defense against free radicals and environmental stressors, thereby promoting skin regeneration. The ingredient fortifies the skin's natural barrier by enhancing ceramide synthesis within the stratum corneum, crucial for sustained hydration and protection against aggressors. Its soothing properties mitigate inflammation and irritation, making it particularly suitable for sensitive skin. Furthermore, it offers a gentle refining effect, supporting the natural shedding of dead cells for a smoother, brighter complexion without causing irritation. Crucially, it influences intrinsic skin aging by inhibiting cellular senescence, specifically reducing p21 and p16 expression, and bolstering the expression of structural proteins like fibrillin-1 and versican.
Research
Clinical Evidence
Medium confidence0.1%
Key findings
- 01 A clinical study utilizing a 0.1% concentration of a *Sphingomonas hydrophobicum* extract on reconstructed skin demonstrated a 22% decrease in p16 expression and a 69% decrease in p21 expression, both established markers of cellular senescence. Concurrently, the study observed a significant increase in key structural proteins, with fibrillin-1 expression rising by 22% and versican expression by 7%, indicating enhanced skin restructuring and elasticity.
Transparency
Dusting Analysis
The identified clinical efficacy at 0.1% concentration provides a benchmark for effective inclusion. Formulations below this threshold may not deliver the demonstrated anti-senescence and structural benefits.
The Formula
Formulation
Stability
This extract exhibits versatile solubility, being compatible with water, ethanol, and oil-based matrices, allowing for broad formulation flexibility. While optimal pH for the extract itself isn't explicitly stated, the bacterial species from which similar extracts are derived demonstrate robust growth across a wide pH range (e.g., pH 6.0-10.0 for Sphingobacterium species and up to pH 11 for some Sphingomonas strains), suggesting potential stability across typical cosmetic pH ranges.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) has not specifically evaluated Sphingobacterium Ferment Extract. In the U.S., cosmetic ingredients generally do not require pre-market FDA approval, though finished products must be safe. INCIDecoder indicates low irritancy potential for this ingredient.
Your Skin
Skin Compatibility
Our Assessment
Verdict
SPHINGOBACTERIUM FERMENT EXTRACT is a valuable multi-functional ingredient that significantly supports skin barrier integrity, delivers antioxidant protection, and actively mitigates intrinsic aging markers while offering gentle exfoliation.
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