Esi aloe fresh mouthwash 250ml the esi aloe fresh breath deodorising mouth wash helps fight the causes of bad breath its innovative formula contains chitosan which research indicates has a supportive role in the fight against cavities and helps neutralise oral cavity bacteria that can produce sulphur forming compounds that cause bad breath the esi aloe fresh mouth wash also contains tea tree oil and grapefruit seed extracts which are thought to act as natural antiseptics with the added be