GUM Hydral On-the-Go Oral Spray comes in a portable container that you can slip in a purse, pocket, or backpack and can use discreetly. Ideal for use at home, at the office, or when you’re out and about. GUM Hydral works like natural saliva to restore mouth moisture for long-lasting comfort for up to four hours. Featuring quality ingredients including betaine, taurine, sodium hyaluronate, and polyvinylpyrrolidone, this formula is preferred by over 70% of dry mouth patients over their current dry mouth product. It also helps alleviate dry mouth complications like bad breath, irritation, and tooth decay.