N-Dodecyl 4-Hydroxybenzoate is widely used as a preservative in the cosmetic and personal care industry. It helps prevent the growth of bacteria, fungi, and yeast in products like creams, lotions, and shampoos, extending their shelf life. Its antimicrobial properties make it effective in maintaining product safety and quality. Additionally, it is used in some pharmaceutical formulations to protect against microbial contamination. Its compatibility with various formulations and stability under different conditions make it a reliable choice for preserving a wide range of products.