Does Bug Spray Expire?

Answer

DEET is the active ingredient found in most bug sprays that are available in the United States. It was developed more than fifty years ago by the United States Department of Agriculture for the military?s use. In 1957, it was registered for use by the general public. DEET is a very stable ingredient that remains effective indefinitely. Because of this reason, the federal government does not require expiration dates on bug sprays using DEET. Manufactures do claim that the appearance and smell of the bug spray may change after about three years.
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Q&A Related to "Does Bug Spray Expire?"
On hiking trips, at the beach, or at summer camp, bug spray can be a life-saver. It is especially important for babies and children, or others who are sensitive to irritating stings
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insect spray contains chemicals (including many organophosphate compounds) that bind to and permanently block the action of an enzyme called acetylcholinesterase. Acetylcholine (ACh
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The smell of a Stink Bug has been described as a rancid almond smell and it is given off
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Most aerosol sprays are a contact poison that is absorbed or breathed in and attacks the nervous system of the insect causing nerve and brain shutdown.
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1 Additional Answer
Bug spray does expire. It last for a very long time, typically two years after the spray has been manufactured. There are many types of bug spray, with varying expiration dates.
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