Injectables is a general term that refers to any type of medication or active ingredient that is administered via an injection. This includes Botox and dermal fillers. Fillers are a type of injectable and work to “fill in” certain areas, enhancing volume and restoring a natural appearance. They are most commonly composed of hyaluronic acid, although they are also available in different compositions. In summary, the injectable is a general term for treatments administered via a needle, and fillers are a specific type of injectable.