2-Phenylpropane-1,3-diol is primarily used as a key intermediate in the synthesis of pharmaceuticals and bioactive compounds. It is also employed in the cosmetics and personal care industry due to its moisturizing and skin-conditioning properties. Additionally, it finds application in the creation of fragrances and flavors to enhance aromatic properties, as well as in the formulation of polymers and resins to improve stability and performance. In organic chemistry, it serves as a building block for more complex molecules, supporting research and development processes.