While toothbrush covers may seem like a good idea to protect against bathroom germs or during travel, using them excessively can actually increase your risk of illness. These covers can trap moisture and bacteria, creating a breeding ground for germs rather than preventing contamination. It’s important to let your toothbrush dry properly and maintain good oral hygiene without relying solely on covers. This video explores the reasons why toothbrush covers might do more harm than good and offers better alternatives for keeping your toothbrush clean and safe.