When it’s finally time to finish your Invisalign treatment, you may be excited to be done! You’ll have the straighter smile you worked so hard to get and be ready to show it off. But what happens once you’re done? You may not be thrilled to hear, but you’ll have to wear a retainer. Thankfully, it’s no different and may be easier than wearing your clear aligners! Read on to learn why you need a retainer after treatment and how long you’ll wear it for.