Hydrolyzed Soy Flour Good Humectant Hydration Hydrolyzed Soy Flour at a glance Derived from soybeans Used as a skin conditioning ingredient Also has soothing + antioxidant properties Hydrolyzed Soy Flour description Hydrolyzed soy flour is an ingredient derived from soybeans (Glycine soja beans). The beans are ground into flour, which is then subjected to a chemical process called hydrolysis in which water, enzymes, or acids are used to break down the flour into different components. Hydrolyzed soy flour is mainly used in cosmetics as a hair and skin conditioning ingredient, though it also has skin calming properties and antioxidant benefits. Though not as frequently used as the related soy protein, it is considered safe as used in cosmetics, where it’s use level typically ranges from 1–5%. Related ingredients: Skin Conditioning Ingredients Soy Extract Soy Isoflavones Hydrolyzed Soy Protein Glycine Soja Sterols Glycine Soja Oil Glycine Soja Seed Extract Glycine Soja (Soybean) Seed Extract