The Biotene Dry Mouth Moisturising Gel comes in a 3-pack of 50g tubes, providing up to four hours of relief for dry mouth sufferers. Clinically tested and enamel safe, this moisturising gel contains active ingredients such as glycerin and sodium hydroxide. Made in the United Kingdom by the trusted brand Biotène, this unflavoured gel is perfect for soothing dry mouth symptoms and keeping your mouth comfortable throughout the day. Each tube has an expiry date printed at the end, ensuring you are always using a fresh product.