RhinoBlock is a nasal ointment and allergen blocker. It protects your nasal mucosa against pollen and dust mite allergens. This way you will suffer less from allergy symptoms such as a stuffy nose, sneezing and itching. RhinoBlock contains white Vaseline and pure honey. These are effective, but mild ingredients. That is why you can use the nasal ointment for a long time, without unpleasant side effects. RhinoBlock is effective for 99% of users.