Durham's Canker-Rid - 1 oz bottle - Made in the USA MSRP: $19.95 If you suffer from canker sores, mouth ulcers or mouth sores, then Canker-Rid® is what you have been looking for. Unlike other products you have used, this one made with honey bee propolis really works!Propolis is a resinous substance that honey bees... Qty in Cart: 0 Quantity ( in cart): Decrease Quantity: Increase Quantity: Price: MSRP: $19.95 Subtotal: Add to Cart