Do not test, discharge, puncture, or burn unwanted pepper spray. The remaining contents and the rules where you live decide whether it goes to hazardous waste or ordinary trash.
Keep the safety in place and read the label. If the can is leaking, do not handle or transport it until a local program gives you instructions.
Choose the Route by Condition
- Full, partly full, or uncertain: Ask your household hazardous waste program whether it accepts self-defense aerosol.
- Completely empty: Check local aerosol-can instructions. Some communities allow an empty can in trash, while others offer metal recycling.
- Leaking, corroded, or damaged: Keep people away and call the local hazardous waste program or fire department for handling directions.
Do not press the trigger to make a can empty. Spraying onto pavement, grass, a drain, or into the air creates an avoidable exposure.
The EPA household hazardous waste guide recommends local instructions for potentially hazardous household products and warns against mixing them.
Call Before You Travel
Use the words pepper spray, OC spray, or self-defense aerosol when you contact a facility. Tell it whether the can feels full, is expired, or has visible damage.
Ask about appointments, residency proof, quantity limits, packing, and transport. A police station, pharmacy, or general recycling site may not accept pepper spray.
Local rules can be specific. Richmond, California, for example, directs nonempty pepper spray to its household hazardous waste facility and empty containers to garbage.
Store It Until Handoff
Keep the cap or safety lock engaged. Store the can upright, away from heat, flame, children, pets, and anything that could press the trigger.
Keep it in the original labeled container. Do not place a leaking can into a sealed container or vehicle without instructions from the receiving program.
Do not mail pepper spray unless the carrier and product instructions explicitly permit it. Aerosols and defensive sprays can have transport restrictions.
If Someone Is Exposed
Move into fresh air. Remove and discard contact lenses, irrigate your eyes with room-temperature water for 10 to 15 minutes, and wash exposed skin with plenty of soap and water.
Remove contaminated clothing. Cut off anything you would normally pull over your head. Use gloves or tongs to double-bag it, then ask your health department for disposal instructions.
Poison Control’s pepper-spray guidance explains common symptoms and first aid. In the US, call 1-800-222-1222 for case-specific advice.
Call 911 for severe breathing trouble, collapse, or another medical emergency. Do not use household chemicals, oils, or creams to neutralize the spray.
Do Not Dismantle the Can
Leave puncturing, depressurizing, and material recovery to a program equipped for aerosols. A home puncture can release irritant and propellant.
Our guides to aerosol cans and spray paint cover related containers, but their contents are not interchangeable.