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Biotene Reviews products are a line of products designed for consumers with dry mouth symptoms.Biotene Reviews system/range allows consumers to choose the right product or set of products to suit their lifestyle preferences and severity of dry mouth symptoms.The main ways this line of oral products works are physical (not pharmacological), helping to retain water to keep oral tissues moist, and creating a physical coating to lubricate the lining of the mouth, thereby helping to relieve dry mouth symptoms.This line of moisturizers (oral fluids, gels and sprays) contains moisturizers (substances that help retain water in the underlying tissues) and lubricants (substances that make physical coatings) to help moisturize and lubricate the mouth.Water can "moisturize," but it's short-lived because of a lack of moisturizers.However, they certainly don't encourage you to drink water to help relieve your dry mouth.