Care for ferrets. Marshall Ferret RX Target Ferret Features: A care item for ferrets. This product is Marshall, the pioneer of ferret for pets. Can be hung under the nostrils or in the cage, or diluted to be used with a sprayer. A pleasant scent of natural ingredients such as camphor wood and oregano. Contents: 2.0 fl oz (59 ml); Ingredients: Balsam oil, camphor, oregano oil, rosemary oil, corn oil; Country of Origin: United States How to Use: Shake well before use. We recommend heating it with warm water before use. ● Drop 2-3 drops below each nostril of ferrett. In addition to 33.4 fl oz (10 ml) of water, it can also be used with a sprayer. Please replace the remaining water daily. You can even simply drop a few drops into the fixture in the cage.