Butylparaben Sodium Salt is widely used as a preservative in cosmetics, personal care products, and pharmaceuticals. It effectively prevents the growth of bacteria, fungi, and mold, extending the shelf life of these products. Commonly found in lotions, creams, shampoos, and makeup, it ensures product safety and stability. Its water-soluble nature makes it suitable for formulations requiring easy integration. Additionally, it is used in some food packaging materials to inhibit microbial contamination. Its efficacy at low concentrations makes it a cost-effective choice for preserving a wide range of consumer goods.