Bear spray, like any other product, can have a limited shelf life, even if stored in a freezer. The expiration date of bear spray can vary depending on the brand and formulation, so it's essential to check the specific manufacturer's guidelines and product label for accurate information.
Generally, bear spray typically has a shelf life of around 2 to 3 years from the date of manufacture when stored under proper conditions. Storing bear spray in a cool, dark place can help extend its shelf life. The freezer is an option for storage, but it might not necessarily significantly prolong the expiration date beyond the manufacturer's recommendation.
If you're unsure about the expiration date or effectiveness of your bear spray, it's better to replace it or contact the manufacturer for more information. When it comes to personal safety, it's always better to have a product that you can trust to work effectively in case of an emergency.