Dodecylbenzenesulfonic acid (soft type) is widely used as a surfactant in the production of household and industrial cleaning products. Its ability to reduce surface tension makes it effective in detergents, dishwashing liquids, and laundry formulations, where it helps to remove dirt and grease from surfaces and fabrics.

In the industrial sector, it serves as an emulsifying agent in the manufacture of lubricants, paints, and coatings, ensuring stable mixtures of oil and water. It is also utilized in the textile industry as a wetting agent to improve the penetration of dyes and other chemicals into fabrics.

Additionally, this chemical is a key ingredient in the synthesis of certain agrochemicals, where it enhances the dispersion and absorption of pesticides and herbicides. Its versatility and effectiveness in various applications make it a valuable component in numerous industries.