Treatment with Canker Cover® is suitable for any person suffering from oral sores (aphthas) as a result of mucosa injury sustained while chewing, biting the cheek or the tongue, dental care, etc. Canker Cover® is especially effective against oral sores (aphthas) that appear against the background of various viral diseases, especially herpes, RAS disease - repeated oral sores (aphthas) - from unknown origin and mouth ulcers associated with allergies.