Obviously, the best thing you can do is to ensure you don’t lose your retainer in the first place. If you still have your retainer and you are looking to keep it safe, consider the following tips: Keep your retainer in its case when it isn’t in use. Your case will not only protect your retainer but will also make it much more distinguishable. Keep your retainer away from children or pets. Pets have been known to destroy retainers by chewing on them. Children can be just as destructive if they think they’ve found a colorful toy. Don’t wrap them in tissue paper. This is likely the number one way people lose their retainer. Wrapping your retainer in paper to dry it off while you eat is a good way to end up accidentally throwing it away. Keep it in your case instead to avoid making an expensive mistake. Related Post: How to Keep Your Retainer Clean