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LACTOCOCCUS/HYALURONIC ACID FERMENT FILTRATE.

Valuable / HUMECTANT

This innovative ingredient combines the potent hydrating capabilities of hyaluronic acid with the beneficial byproducts of Lactococcus fermentation. It functions primarily as a humectant, significantly enhancing skin moisture retention while actively supporting a healthy skin barrier and promoting a balanced microbiome.

Humectant Skin Barrier Support Microbiome Modulator Antioxidant Skin Rejuvenation

Science

Lactococcus/Hyaluronic Acid Ferment Filtrate operates as an effective humectant, drawing and retaining moisture within the skin to boost overall hydration. The Lactococcus ferment component is crucial for restoring and fortifying the skin's natural protective barrier and stimulating the synthesis of antimicrobial peptides, which are essential for maintaining a robust and healthy skin flora. Through the fermentation process, a complex array of bioactive compounds, including peptides, enzymes, and various acids, are generated. These contribute to enhanced hydration, reinforce the skin barrier, support overall skin well-being, and modulate the skin's microbiome. This modulation fosters a harmonious microbial balance, delivers antioxidant protection, and encourages cellular rejuvenation. Furthermore, the lactic acid bacteria byproducts can establish a protective film on the skin, effectively preventing water evaporation, strengthening the skin cuticle, and contributing to the equilibrium of the skin's water and oil content.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

The Formula

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Optimal pH values, such as pH 7 or 7.2, observed in certain research contexts specifically pertain to the conditions for microbial production of hyaluronic acid during fermentation, not the stability of the final ferment filtrate ingredient in cosmetic formulations.


Safety

CIR Status
Unknown
Sensitization risk Low

While Lactococcus/Hyaluronic Acid Ferment Filtrate has not been individually reviewed by the CIR Expert Panel based on available data, related 'Lactobacillus Ferment Ingredients' (including Lactobacillus Ferment Filtrate) were concluded to be 'safe as used in cosmetics' by CIR in June 2025. These related ingredients are used at concentrations up to 5.6% in face and neck products. The active components are primarily byproducts of bacterial fermentation, not live bacteria. This ingredient is rated as 'Irritant Free' and 'Teen SAFE' by SkinSAFE and shows 'No penalty' across all categories on INCI Beauty. Hyaluronic Acid produced via fermentation has also demonstrated non-irritating properties in human patch tests.


Your Skin

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

Our Assessment

Valuable

A valuable ingredient for comprehensive skin well-being, offering significant hydration, barrier support, and microbiome balance with a low risk of irritation across all skin types.


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