Dibutyl phthalate solution is widely used as a plasticizer in the production of flexible plastics, particularly in polyvinyl chloride (PVC) products. It enhances the flexibility, durability, and workability of materials such as vinyl flooring, cables, hoses, and synthetic leather. In the cosmetics industry, it is utilized as a solvent and fixative in nail polishes and hairsprays to improve their texture and longevity. Additionally, it serves as a component in adhesives, sealants, and printing inks, where it aids in achieving the desired consistency and performance. Its application in laboratory settings includes use as a solvent or reagent in various chemical processes and experiments.