Based on the provided reference, it appears the question refers to mouth spray, specifically in the context of smoking cessation.
Here's how to use mouth spray, according to the reference:
- Spray: Administer the spray into your mouth.
- Caution for Asthmatics: If you have asthma, use the spray cautiously for the first few times as it might cause you to catch your breath.
- Part of a Program: The mouth spray is most effective when used as part of a structured program to stop smoking.
Essentially, you spray the product into your mouth as directed and, importantly, consider it within a broader strategy for quitting smoking.