A surfactant is a surface active agent that lowers the surface tension between 2 liquids, or between a liquid and a solid.
Detergency market is the largest user of surfactants. But, it has many other applications such as in cosmetic, oil extraction, agro-chemistry, construction, bitumen, lubricant and water treatment.
30,64 billion $-US is the estimate of the global surfactant market in 2016. Moreover, the projection for 2021 is 39.86 Billion $-US. Therefore, a CAGR of 5,4% between 2016 and 2021.