PEG6-(CH2CO2H)2 is widely used in the formulation of personal care products, such as creams and lotions, due to its ability to enhance skin hydration and improve the texture of the product. Its water-soluble nature makes it an effective ingredient in cosmetics, ensuring smooth application and absorption.

In the pharmaceutical industry, it serves as a functional excipient in drug delivery systems. Its bifunctional structure allows it to act as a linker or spacer in the development of prodrugs and targeted therapies, improving the solubility and bioavailability of active pharmaceutical ingredients.

Additionally, it is utilized in biochemical research as a crosslinking agent or modifier in the synthesis of polymers and biomaterials. Its carboxylic acid groups enable conjugation with other molecules, making it valuable in the development of hydrogels, drug carriers, and tissue engineering scaffolds.

Its versatility and biocompatibility make it a key component in various industrial and scientific applications.