Concentrate for Dip is a preparation containing one or more active ingredients usually in the form of a paste or solution.It is used to prepare a diluted suspension,emulsion,or solution of the active ingredient(s)for the prevention and treatment of ectoparasitic infestations of animals.The diluted preparation (Dip)is applied by complete immersion of the animal or,where appropriate,by spraying.Concentrate for Dip may contain suitable antimicrobial preservatives.