Sorbitan monostearate​ (CAS 1338-41-6), commonly known as Span 60, is a nonionic surfactant and emulsifier derived from the esterification of sorbitol and stearic acid. This versatile chemical finds extensive applications across cosmetics, food processing, pharmaceuticals, and industrial sectors due to its excellent emulsifying, stabilizing, and dispersing properties. The global sorbitan esters market, which includes sorbitan monostearate as a key segment, is projected to grow steadily through 2034, driven by increasing demand for emulsifiers in personal care products, processed foods, and pharmaceutical formulations . The cosmetic grade sorbitan monostearate market​ alone was valued at USD 54.5 million in 2024​ and is projected to reach USD 80.4 million by 2031, growing at…