Researched by Helena DeMaria-Williams
Formula IngredientPreservative, AntimicrobialINCI: Leuconostoc/Radish Root Ferment Filtrate
Leuconostoc/Radish Root Ferment Filtrate is a natural antimicrobial preservative produced by fermenting radish (Raphanus sativus) roots with Leuconostoc kimchii, a lactic acid bacterium traditionally used in Korean kimchi production. During fermentation, the bacteria secrete peptides with significant antimicrobial properties, making this filtrate one of the more promising natural preservative alternatives to synthetic options like parabens or phenoxyethanol.
Category
Preservative, Antimicrobial
Irritation Risk
Low
Skin Types
all skin types, sensitive, oily, dry, combination, acne-prone
natural preservation, antimicrobial protection, extends product shelf life, clean beauty preservative alternative
EWG Skin Deep rates this ingredient with low scores across cancer, allergies, immunotoxicity, and developmental/reproductive toxicity categories. The CIR Expert Panel has reviewed radish root-derived ingredients and found them safe for cosmetic use. Non-toxic and approved for use in clean beauty formulations. No EU CosIng Annex II or III restrictions apply.
Leuconostoc/Radish Root Ferment Filtrate does not increase photosensitivity. No sun protection precautions are required based on its presence in a formulation.
Motherfigure classifies this ingredient as having 'limited data suggests no known risk' during pregnancy. It is a naturally derived preservative with no reported reproductive or developmental concerns. As with all ingredients during pregnancy, consulting a healthcare provider is advisable.
Leuconostoc/Radish Root Ferment Filtrate is a natural antimicrobial preservative produced by fermenting radish (Raphanus sativus) roots with Leuconostoc kimchii, a lactic acid bacterium traditionally used in Korean kimchi production. During fermentation, the bacteria secrete peptides with significant antimicrobial properties, making this filtrate one of the more promising natural preservative alternatives to synthetic options like parabens or phenoxyethanol.
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