* "Her smile was so saccharine it made my teeth ache." (This uses saccharine to describe something overly sweet and insincere.)
* "The movie's ending was so saccharine, it felt like a Hallmark movie." (This uses saccharine to describe something overly sentimental or romantic.)
* "The politician's speech was full of saccharine promises that he never intended to keep." (This uses saccharine to describe something that is falsely sweet or appealing.)
Let me know if you'd like to see other examples or have any other questions.