Halitosis is an adverse emission of odour from the oral cavity. Approximately 90% of all halitosis cases are related to oral health. Volatile sulphide compounds (VSC) constitute the main component of halitosis, they are produced by anaerobic bacteria located on the dorsum of the tongue and in periodontal pockets. Mouthwashes with antimicrobial agents are effective in the treatment of halitosis, Nevertheless, commercial diversity presents a problem when choosing the right one.