Give your mouth a fresh lift with GuardClean, an all-natural spray that not only removes buildup and stains but also freshens up mouth guards, aligners and retainers – especially when you’re on the go. According to a study published by the Academy of General Dentistry (AGD), dental appliances can be a breeding ground for life threatening bacteria, yeast and mold. The fact is, your mouth can harbor an average of 100 billion bacteria, which can lead to staph and strep infections, asthma and life-threatening illness. GuardClean is made with organic peppermint essential oil, antioxidants and a gentle, food grade cleanser to safely clean your removable dental appliances. Fast. Effective. Convenient. Just spray GuardClean on all surfaces, let sit for 2 minutes, brush gently and give your mouthguard, aligners and retainers quick rinse. While most oral cleansers fail to disclose their full ingredient list, or are intended for overnight use on dentures, Size: 2 fl. Oz.