One patch fully treats most sores

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Immediate pain relief

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Patch protects for 8-12 hours

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Total protection from irritants - Made with natural menthol

nCanker sore treatment. Immediate pain relief. Protects mouth sores from irritation. Keeps breath fresh. Breakthrough technology. Clinically proven. Canker cover lasts 8-12 hours before dissolving, releasing safe, natural and effective nutrients for canker treatment and care.