Sensodyne Pronamel Daily Mouthwash Dentists have reported a growing dental health concern due to changing modern diets: acid erosion or acid wear. Acids in everyday food such as some fruit & acidic drinks like orange juice & wine can dissolve minerals from our teeth, softening the enamel surface which is then more easily worn away. Sensodyne Pronamel Daily Mouthwash is formulated to help protect against acid erosion, & also help protect against tooth decay. Helps protect against tooth decay. Helps reharden tooth enamel. Fresh mint taste. Alcohol Free.