Begin application of Focus Dog Aromatherapy 10-15 minutes before the class, event or competition.• Calmly reassure your dog• Reapply as needed• Use Spray and Roll-on together for maximum effectivenessBliss Tip! You can also spray Focus on your dog's bedding or in their crate if you are traveling to an event, a small toy or washcloth if you can use that at the class/event like bait.