We've all taken a bit of a battering at some point when playing contact sports (football, rugby, handball, etc.) and combat sports.
Applying cold to a bruise will soothe it and reduce the pain. It is recommended in the event of impacts, sprains, bruising, dislocation, swelling, etc.
This cold spray is ready to use and requires no refrigeration.
Its small size makes it easy to store in a first-aid kit.