In South Korea, Korean celebrities often work with South Korean commercial and advertisement industries. Companies are quoted as saying that they use Korean idols to change their brands' image to a young, fresh one and promote their goods to a younger, wider, and global audience. This page focuses specifically on Korean idols in domestic and foreign advertisements. The items or goods that Korean idols advertise are not limited and can include shopping malls, school uniforms, health insurance, cars, and water filtration devices. They can also appear in commercials that promote common goods such as driving safety, environmental health, and safe cell phone use.