In the food industry, glycerin can be used as a solvent for flavors and food colors. In food, it is a humectant, emulsifier, and maintains the desired moisture of products, for example, protects bread from drying out. As E422, it is a preservative, because it binds water, thus limiting the development of pathogenic microorganisms.

Glycerine is used in the cosmetics industry in the production of gels and in personal care products, including cosmetics and hair care products. It helps bring moisture to the surface of the skin – it absorbs water from the environment and holds it inside the skin. It is also an ingredient in glycerine soap, which is intended for delicate skin. Glycerine also has antibacterial and antiviral properties, so it is used to treat wounds and burns.

In the pharmaceutical industry, glycerin is an ingredient in the heart drug nitroglycerin, which dilates blood vessels and is used in patients with coronary artery disease.

In addition, the use of glycerin is widespread in the production of many modern protective coatings, such as automotive paints and exterior house paints. When used in tanning, it dries the leather, thanks to its hygroscopic properties.