Canker Cover

Canker Cover from Quantum Health is a muco-adhesive patch that sticks to any canker sore within seconds and forms a clear, gel patch. It helps to seal and isolate the canker sore from contact with the tongue, teeth, and food for 8 to 12 hours.

 
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Canker Cover also provides immediate and long-lasting pain relief by steadily releasing pain-numbing natural menthol and other ingredients. In most cases, 1 patch completely heals a canker sore within 24 hours. Canker Cover is the only over-the-counter canker sore treatment shown to be more effective at eliminating pain than benzocaine, the active ingredient in most canker sore products.