Pepper spray is a chemical spray that causes pain, inflammation, ... Capsicum oil also forms the basis of bear spray, an aerosol designed to protect humans who encounter a bear.

Aerosol spray cans of dry shampoos, deodorants, sunscreens and foot sprays have been recalled due to trace amounts of a cancer-causing chemical. Accessibility statement Skip to main content.

Secondary organic aerosol may be another way plants communicate with one another . ... so Blande and his team formulated a spray to represent the SOA that would form from nonstressed plants.