Lactobacillus/Rye Flour Ferment Best Humectant Hydration Lactobacillus/Rye Flour Ferment description _Lactobacillus_ rye flour ferment is a non-living probiotic made by fermenting rye flour with the microorganism _Lactobacillus_ that’s used to create sourdough bread. In cosmetics, it works as a humectant to draw and hold moisture to skin, helps to balance the natural flora that populate skin’s surface, aids in visibly repairing skin’s barrier, improves signs of dry skin conditions, and can have a calming action. As probiotic _Lactobacillus_ rye flour ferment breaks down on skin, it creates lactic acid, a postbiotic ingredient with many benefits for skin. Related ingredients: Lactobacillus Ferment