Inactive ingredients are components in a product, such as a medication or cosmetic, that do not have a therapeutic effect. They serve various purposes, including acting as fillers, binders, preservatives, or colorants. These ingredients help to stabilize the formulation, enhance its appearance, or improve its texture, ensuring that the active ingredients work effectively. In the context of pharmaceuticals, inactive ingredients are listed on the product label and are important for safety and efficacy. Understanding these components can help consumers make informed choices about the products they use, especially if they have allergies or sensitivities to certain substances.