How smart polymer solutions transition to gels around body temperature

In the world of modern medicine, most people focus on the active pharmaceutical ingredients, which are the chemicals that specifically fight a disease's symptoms or causes. However, the unsung heroes of pharmacy are excipients—substances formulated alongside the active ingredients to ensure they reach the right part of the body at the right time. Simply put, excipients are as vital as the drugs themselves because they provide a controllable means of administration.