Written by Rabindra Shrestha Filed under leuconostoc Previous / Next Leuconostoc Nov 02, 2020 Written by Rabindra Shrestha Arrow Thin Left Icon Arrow Thin Right Icon Leuconostoc/Radish Root Ferment Filtrate. A preservative made from ferrmenting radish root and micrrooganism leuconostoc that helps keep your product stable, and also helps moisturize the skin.