BWCA Insect repellent lifespan? Boundary Waters Gear Forum
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MossBack
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06/07/2022 06:45AM  
I know this is basic stuff, wondering if DEET or PICARIDIN ever goes bad with age?
 
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Banksiana
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06/07/2022 10:03AM  
Don't know about Picardin but DEET seems to last forever.
 
EddyTurn
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06/07/2022 11:04AM  
Picaridin lasts for at least 3 years, in my experience. After that a lotion may become kind of soapy and non-homogeneous. An article referenced on Sawyer's website says that Picaridin doesn't have expiration date, but gets less effective over time, same as DEET. On Amazon Q&A a message signed by Sawyer Products says: Our insect repellents and sunscreens have a shelf life of 10+ years when properly stored in a cool/dry location away from direct UV exposure.
 
06/07/2022 06:05PM  
Banksiana: "Don't know about Picardin but DEET seems to last forever."

+1 - this has been my experience also.
 
adam
Moderator
 
06/08/2022 08:51AM  
deerfoot: "Banksiana: "Don't know about Picardin but DEET seems to last forever."


+1 - this has been my experience also."


I think it actually gets better over time. :)
 
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