Gentle to sensitive teeth and gums. Inhibits odour causing bacteria, maintain's the mouth's healthy eco system. Specially formulated for dry mouth sufferers and does not contain menthol. Each application of biotene keeps your mouth feeling moist and comfortable for up to 5 hours at a time, day and night. At the same time, its patented enzyme formulation supplements the mouth's natural defence system helping neutralise odours and unpleasant tastes.oralbalance is non acidic and does not contain menthol or sugar. Oralbalance long lasting saliva replacement gel is suitable for diabetics and denture wearers.for best results use with the biotene mouthcare range.when used daily, the natural enzymes in biotene anti bacterial toothpaste can be effective in helping the defence system normally found in saliva.