The present invention relates to Orthosiphon spicatus for use in oral health applications, an oral composition comprising Orthosiphon spicatus, and the use of Orthosiphon spicatus or the composition, in the improvement or maintenance of oral health in an animal, preferably through the reduction or control of dental plaque and/or alteration of the bacterial content of dental plaque, in the oral cavity of the animal. The invention also includes Orthosiphon spicatus for use in the prevention or treatment of gingivitis in an animal. The invention also provides a method for improving or maintaining oral health in an animal.