Filmstead Dissolvable Mouth Ulcer Patch is a revolutionary product that helps you beat the effects of mouth ulcer while helping you in the healing. Filmstead is fully dissolvable film that is muco-adhesive and is simply placed over mouth ulcer (canker sore). The small patch adheres to the sore, instantly relieving pain. Filmstead has a unique formulation specially designed with bio-adhesive technology to make them stay where they are put to protect the ulcer. The patch is clove oil flavored which leaves the mouth feeling clean and fresh. With its natural ingredients, it is perfectly suitable for children, under parental supervision.