Lactobacillus Ferment is the product obtained from the fermentation of Lactobacillus Lactobacillus fermentum is a Gram-positive species of bacterium in the genus Lactobacillus. It is associated with active dental caries lesions. It is also commonly found in fermenting animal and plant material. It has been found in sourdough. A few strains are considered probiotic or "friendly" bacteria in animals and at least one strain has been applied to treat urogenital infections in women. A patent was issued that claimed The present invention concerns methods and compositions for prophylactic or therapeutic treatment of skin disorders by administering therapeutically or prophylactically effective amounts of a probiotic and is also concerned with the treatment of symptoms of skin disorders. Lactobacillus is used for skin disorders such as fever blisters, canker sores, eczema (allergic dermatitis); and acne. It is also used for high cholesterol, lactose intolerance, Lyme disease, hives, and to boost the immune system. Women sometimes use lactobacillus suppositories to treat vaginal infections and urinary tract infections (UTIs). In light of the evidence there are few concerns for the topical application of this material.

Source: Dweck, Anthony. Handbook of Cosmetic Ingredients: - their use, safety and toxicology (Dweck Books 5)

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