Sorbitan monostearate (SMS) is a nonionic emulsifier and surfactant made by reacting sorbitol with stearic acid. It is widely used to stabilize mixtures of oil and water.
Common uses of Sorbitan Monostearate
1. Food industry (often designated as E491)
* Emulsifier in cakes, bread, and pastries
* Improves texture and softness
* Helps prevent staling in baked products
* Used in whipped toppings and confectionery
2. Cosmetics and personal care
* Creams and lotions
* Moisturizers
* Sunscreens
* Makeup products
* Hair conditioners
It helps keep oil and water mixed and improves the feel of products on the skin.
3. Pharmaceuticals
* Used in creams and ointments
* Tablet manufacturing as a lubricant or excipient
* Drug delivery formulations
4. Industrial applications
* Emulsifier in lubricants
* Textile processing
* Metalworking fluids