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Picaradin, Insect Repellant

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Re: Picaradin, Insect Repellant

Postby longri » Thu Jun 02, 2016 6:31 pm

seanr wrote:I have used both the Lemon Eucalyptus spray and DEET. I found both to work.

Did you note any disadvantages with the lemon eucalyptus oil? I've never tried it.

That study found it to be equally effective as 100% DEET after 4 hours. But the manufacturer estimated effective time was 10 hours for the 100% DEET and 6 hours for the 30% eucalyptus oil.

One thing they didn't investigate in that study was quantity. They used a specific volume (half a milliliter) on a subject's hand as the attractant but didn't try to figure out the effective dose required per skin surface area per time. I guess that's kind of complicated but it's what I care about. I don't want to carry anything I don't need and want to minimize the weight of what I do need. It's why I take 100% DEET -- it lasts longer than the weakest solutions and it can be diluted in the field on your skin if the insect challenge isn't great.

Mosquitoes are really just a minor annoyance in the Sierra. When malaria reaches California I'll change my tune.



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Re: Picaradin, Insect Repellant

Postby AlmostThere » Thu Jun 02, 2016 8:04 pm

Well, then there was that time, out in John Muir Wilderness, when I sprayed DEET on the back of my bare hand and immediately three mosquitoes flew right down and landed on my still-wet hand. While my permethrin treated shirt collected more of them.

But if the swarm is bad, I suspect they are everywhere -- on tents, on trees, on rocks, or it certainly seemed so. All the sprays do is keep them from detecting you. If they are so thick they are running into you, and the only way that works is submersing yourself in the nearest lake and staying there....

I lost my headnet on the trail the day before, and so was really, really unhappy. We left. 1000 feet of elevation drop to the Kings River later, we encountered... two mosquitoes. Quickly swatted.
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Re: Picaradin, Insect Repellant

Postby kpeter » Sat Jun 04, 2016 11:49 am

maverick wrote:Newest bug spray study: http://www.npr.org/sections/goatsandsod ... rom-biting


Very interesting.

But DEET isn't the only weapon. Products containing the active ingredients picaridin and IR 3535 are as effective, says Strickman. And repellents with any of those active ingredients are recommended as safe and effective by the Centers for Disease Control and Prevention. They are widely available around the world.

Actually, Strickman gives the edge to picardin.

"Picaridin is a little more effective than DEET and seems to keep mosquitoes at a greater distance," he says. When people use DEET, mosquitoes may land on them but not bite. When they use a product containing picaridin, mosquitoes are less likely to even land. Repellents with IR 3535 are slightly less effective, Strickman says, but they don't have the strong smell of other products.
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Re: Picaradin, Insect Repellant

Postby ltm01 » Sun Jun 05, 2016 3:23 am

Would you advise using repellent in Sequoia NP during mid August? I'll be walking from Lodgepole to Little Five Lakes.
Thank you.
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Re: Picaradin, Insect Repellant

Postby oldranger » Sun Jun 05, 2016 7:18 am

ltm01,

Doubt you will need repellant but I never leave home without it.
Mike

Who can't do everything he used to and what he can do takes a hell of a lot longer!
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Re: Picaradin, Insect Repellant

Postby Wandering Daisy » Sun Jun 05, 2016 8:27 am

I have tried nearly all the repellants and dislike all. I tend to get nausea from strong smells and the "natural" ones actually make me sicker. I carry a small bit of DEET and rarely use it. My method is to cover up: head net, garden gloves, long sleeves, "insect shield" clothing and pants that are floppy loose so skeeters cannot bite me. Another big help, is to quickly jump into icy cold water at the end of each hiking day. Seems like hot sweaty skin is more appealing to mosquitoes. The trick is to stay submerge in the cold water long enough so your skin is cold when you get out, quickly dry off and cover up. I usually get a few bites in the process, but at least the swarms stay away.
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Re: Picaradin, Insect Repellant

Postby justm » Tue Jun 07, 2016 9:06 pm

I just bought some all natural stuff at REI that I'm going to try on my upcoming trip . It's a combination of various natural oils. I'm going to bring 100 % DEET as a back up and old stand by. It's nasty stuff, but I've found it's the only thing that works in heavy, heavy mesquito areas. I'll report back on how well the natural stuff woks ! I'm going into the Emigrant this coming Friday, could be a mosquito nightmare
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Re: Picaradin, Insect Repellant

Postby ExploreABitMore » Mon Jul 11, 2016 7:58 am

I bought and tried the Picardin a few times now and thought I would report back. Overall, it works pretty good, but I feel like you really need to lather it on and re-apply often, whereas with the DEET I felt like a few sprays did the job and would last longer. Although, the DEET smells much stronger and offensive to me, as well as to the skeeters, where the Picardin I would hardly notice.

First real test was with masses of aggressive, blood thirsty mosquitoes along the River Trail. The Picardin would give some relief, but I was sorta wishing I brought the DEET by the end.

I also used it on an outing to Mt Bago and Marie Lakes area, where the mosquito's were obviously out and about, but not nearly as aggressive. Here the Picardin kept them off me and provided just about total relief.

So, overall, not quite as effective as the DEET in my experience, but I think I do like it a bit better. If it turns out to not be any less toxic, at least it doesn't smell quite as toxic
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Re: Picaradin, Insect Repellant

Postby BSquared » Tue Jul 12, 2016 9:21 am

FWIW, Consumer Reports testing showed picardin to be very slightly superior to DEET. Their picardin was Sawyer 20%, and the highest DEET concentration they tested was 30% (which was very nearly as effective as the Sawyer picardin). I've used the Sawyer here in Vermont, where the mossies can be pretty ferocious, and it seems to work fine. I've never had good luck with any of the eucalyptus-scented products, but one of those also did well in Consumer Reports' test (let me see... um... "Repel Lemon-Eucalyptus," I think).
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Re: Picaradin, Insect Repellant

Postby epike » Thu Aug 11, 2016 7:40 am

Used Pic for 15 days on the JMT in July, seemed totally effective again skeeters except in one spot. not at all effective against flies.

-Ed
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Re: Picaradin, Insect Repellant

Postby AlmostThere » Thu Aug 11, 2016 7:48 am

BSquared wrote:FWIW, Consumer Reports testing showed picardin to be very slightly superior to DEET.


:lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol:

Right.

Picardin worked slightly better than water for me....
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Re: Picaradin, Insect Repellant

Postby BSquared » Thu Aug 11, 2016 8:08 am

Yah, it's interesting how this seems to vary by individual. Most of the people on here report that it works pretty well to very well, but some, like AlmostThere find it ineffective. I wonder if it has something to do with the composition of people's individual perspiration, or something like that...
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