Is this fermented ingredient safe?

Leuconostoc and radish root ferment filtrate is a natural-origin preservative booster produced through controlled fermentation. Published safety data supports use at cosmetic levels; fermentation creates bioactive compounds, though the low-concern flag reflects limited long-term safety data for newer ingredients.

What does this ferment do in skincare?

This ingredient supports the preservative system by creating conditions hostile to microbial growth, allowing lower preservative doses. It may also offer antioxidant or skin-conditioning benefits from its polysaccharide and bioactive content.

preservative · humectant · antioxidant

Leuconostoc and Radish Root Ferment Filtrate

Generally safe·Moderate evidence·INCI: Leuconostoc/Radish Root Ferment Filtrate

A fermented extract of radish root that acts as a natural preservative and skin-conditioning agent. It has shown antimicrobial properties in formulation work and is well tolerated in rinse-off and leave-on products, though individual sensitivities can vary.

Questions

Is this fermented ingredient safe?: Leuconostoc and radish root ferment filtrate is a natural-origin preservative booster produced through controlled fermentation. Published safety data supports use at cosmetic levels; fermentation creates bioactive compounds, though the low-concern flag reflects limited long-term safety data for newer ingredients.
What does this ferment do in skincare?: This ingredient supports the preservative system by creating conditions hostile to microbial growth, allowing lower preservative doses. It may also offer antioxidant or skin-conditioning benefits from its polysaccharide and bioactive content.

Products with Leuconostoc and Radish Root Ferment Filtrate

References

Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.