Decyl decanoate is widely used in the cosmetics and personal care industry as an emollient and skin-conditioning agent. It helps to soften and smooth the skin, making it a common ingredient in moisturizers, lotions, and creams. Its lightweight and non-greasy texture make it suitable for use in facial products, providing a silky feel without clogging pores. Additionally, it is utilized in hair care formulations to improve manageability and add shine to hair. It also serves as a solvent in perfumes and cosmetics, effectively dispersing fragrances. Its stability and compatibility with other ingredients make it a preferred choice in various cosmetic formulations.