Science
Mechanism of Action
This ferment filtrate functions through multiple pathways to enhance skin. Extracts of Dendropanax morbiferus actively reduce hyperpigmentation by inhibiting tyrosinase activity and melanin synthesis. It also exerts anti-inflammatory effects by decreasing nitric oxide (NO) production and suppressing key interleukin markers (ILs), while providing antimicrobial defense against various bacteria and fungi. The ingredient further contributes antioxidant benefits by neutralizing reactive oxygen species (ROS) and supports skin structure by promoting collagen synthesis. Lactobacillus ferments within the ingredient condition the skin, help balance the skin's microflora, and may possess DNA repair and ATP synthesis capabilities, with some postbiotics directly inhibiting tyrosinase for a brightening effect.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 Decreased melanin content by inhibiting tyrosinase activity and protein expression of tyrosinase and TRP-2 in vitro.
- 02 Showed strong antimicrobial effects against S. epidermidis and S. aureus in vitro.
Transparency
Dusting Analysis
No data available to suggest this ingredient is commonly dusted or to establish a dusting threshold.
The Formula
Formulation
Stability
Lactobacillus fermentation processes typically yield acidic products, causing a pH decrease during fermentation. When used as a natural preservative, ferment-based ingredients may require complementary preservation strategies, such as pH control or the inclusion of co-preservatives.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has deemed Lactobacillus Ferment and its filtrates/lysates safe for cosmetic use. The highest reported concentration of use in leave-on formulations is 1.5% in makeup bases. The panel noted that the skin lightening effect, attributed to tyrosinase inhibition, might be considered a drug effect. Formulators should ensure its use does not lead to unintended skin depigmentation.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This ferment filtrate is a valuable multifunctional ingredient, offering robust benefits in brightening, anti-inflammation, antimicrobial protection, and skin conditioning, making it suitable for a wide range of precision skincare formulations.
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