Permethrin Premium Insect Repellent

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For use on clothing, tents, and other gear, Sawyer Permethrin not only repel insects, they actually kill ticks, mosquitoes, chiggers, mites, and more than 55 other kinds of insects on contact. The active ingredient Permethrin is a synthetic molecule similar to pyrethrum which is taken from the Chrysanthemum flower.

Permethrin is odorless after drying and will not stain or damage clothing, fabrics, plastics, finished surfaces, or any of your outdoor gear. A single application lasts 6 washings or 42 days of sun exposure.

Click here for additional tips and tricks on how to use Permethrin.


  • This insect-killing repellent for your clothing is effective against ticks, chiggers, mites and mosquitoes for up to six weeks.
  • This nonaerosol pump bottle contains enough spray to coat full outfits
  • Although we consider a full outfit to be one shirt, trousers and socks; we recommend you still pack underwear.
  • One treatment will last up to six washings or six weeks before clothing has to be treated again
  • If you treat your tent, you can expect full potency for up to 40 days of direct sunlight. This is a great way to give your entire campsite a barrier of protection
  • Use it while hunting for an odorless way to protect yourself from common bugs
  • Effective against ticks that carry Lyme disease and other fairly common diseases like Rocky Mountain Spotted Fever
  • Repellent should be applied outdoors and before clothing is worn; after it’s treated, hang clothing and let dry two hours (four hours in humid conditions)
  • Avoid contact with skin and eyes during application phase
  • Active Ingredient: Permethrin (0.5%)

Available Sizes:

[SP657] – 24 oz. trigger spray
[SP649] – 12 oz. pump spray
[SP602] – 9 oz. pump spray
[SP646n] – 6 oz. spray

Technical Specifications

Active Ingredient: Permethrin (0.5%)
Best Uses: Multisport, hunting, fishing, international travel

UPC: 0-50716-00602-5, 0-50716-00646-9, 0-50716-00649-0, 0-50716-00657-5

  • +Will Permethrin ruin my clothes or equipment?

    No. Permethrin will not damage clothes or equipment. Unlike DEET, which may harm some fabrics and materials, Permethrin is compatible for use even on fragile fabrics such as silk, plus all synthetics and waterproof membrane fabrics. Permethrin will not affect plastics or finishes. IF IN DOUBT, try a sample on an obscure surface area, especially on delicates and check it after 24 hours of exposure.

    Sawyer® Permethrin Insect Repellent is odorless, non-greasy and non-staining after it dries. Permethrin can be harmful to aquatic creatures such as fish, so do not spray Permethrin around fish aquariums.

  • +How do I use Permethrin safely?

    Permethrin is to be applied to clothing and material. It works by bonding to the fibers. When a tick or other insect comes into contact with the Permethrin, it absorbs a dose that will either repel or kill the insect. You apply Permethrin using an aerosol or trigger spray until the fabric is damp and then allow it to dry. Permethrin is easy to use and the resulting layer of protection is very important to your safety from insect-borne diseases.

  • +How long does Permethrin last?

    At the concentration level delivered in the aerosol, non-aerosol pump sprays and soak systems (all at 0.5% Permethrin), an application lasts for six weeks and through six washings. Permethrin breaks down through exposure to air (oxygen) and sunlight (ultraviolet light). If you store the clothes in black plastic bags between uses, you can extend the time of effectiveness; however, always retreat after the sixth laundering. Permethrin may also be used on sleeping bags, tents and nettings.

  • +Does Permethrin work against mosquitoes?

    Yes. Permethrin clothing treatments, when applied following Directions for Use, have been determined to have “spatial repellency” against mosquitoes. This means that mosquitoes will swarm around you, but not light on your treated clothing and bite.

    Also use an EPA registered repellent, such as the Sawyer® microencapsulated Controlled Release 20% DEET, on all exposed skin for further protection from biting and blood sucking mosquitoes.

    The combination of Permethrin on clothing and DEET repellent on skin forms an “Insect Repellent System.” When used as directed on the EPA registered labels, the Insect Repellent System will provide the best protection from biting, blood sucking and disease carrying insects. A well known study conducted by Tom Lillie, Carl Schreck and A. J. Rahe in Alaska in 1987, showed 99.9% effectiveness against mosquitoes biting at a rate of more than 1,100/hr. This protection is far greater than either a DEET based insect repellent or Permethrin can achieve alone.

  • +Does Permethrin work against bed-bugs?

    An area bomb, which fumigates the room as a whole, is usually recommended as the first line of defense against bed bugs. As you may not be in a position to bug bomb your hotel room while traveling abroad (without offending the natives), the following uses for Permethrin may help:

    Spray treat at least the upper surfaces of your mattress when you first arrive, with 0.5% Sawyer Permethrin Insect Repellent. Permethrin pump sprays are preferred because they are not restricted for airline travel. Allow the mattress to dry and air out before using it. Cover with a clean sheet for sleeping; do not sleep directly on the treated mattress. If you are concerned about the pillows, uncover them and lightly spray treat them with Permethrin also, re-covering them before use. Use 0.5% Permethrin spray as a residual surface insecticide for cracks and crevices around the room, and as a light spray on stuffed furniture, carpeting, and other fabrics around your sleeping quarters, where bed bugs and other crawling insects may hide.

    Some of the information on bed-bugs was extrapolated from Maine University’s Pest Management’s Fact Sheet on Bed-Bugs at

  • +Can Permethrin cause skin irritation or sensitization from repeated use?

    Studies in animals have demonstrated that no skin irritation or sensitization is expected following direct application. In a controlled human study, permethrin did not cause significant skin irritation or sensitization when tested in 200 subjects. No significant skin effects are expected from wearing permethrin-treated clothing.

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Permethrin Insect Repellent

Permethrin Premium Insect Repellent is rated 4.5556 out of 5 by 9.
Rated 5 out of 5 by from Great on keeping away Tsetse flies in Uganda Bought a bottle a few days before my fishing adventure to Uganda. Tsetse flies are normally unbearable; however, they hardly bothered us at all due to the Permethrin Insect Repellent sprayed on our clothing. Thanks Sawyer!
Date published: 2014-02-21
Rated 5 out of 5 by from Proved itself to me Last year I did a fair amount of early season Bow Hunting and followed that up with Muzzleloading season and a solid week of hunting in warmer weather...All through the week I checked myself after each day in the field....NOT ONE TICK NOTED...was more than worth the price and time to treat my hunting gear...Bought another 3 bottles (24 oz) for this year....side note...My Vet recommended this for using on my dogs...Non toxic to dogs....(But don't use on cats)....
Date published: 2014-04-15
Rated 5 out of 5 by from Light and Lasting I treated my hiking shorts, shirt, and hat with Permethrin before my 1,100-mile hike on the Ice Age Trail last summer.  For 50 days across Wisconsin, I had no ticks.  Near the end of my hike, I switch shirts to one I had not treated.  Guess what!  My first tiny deer tick found me. I like this form of insect repellent because it is applied once and useful for a season.  That means it adds no weight and doesn't get my skin slimey.
Date published: 2014-04-04
Rated 5 out of 5 by from Best product on the market I work in tick, mosquito, and biting fly infested woods six days a week. I have been using this product for years and I am telling you professionally that this product works BETTER than what's stated on the label. It kills ticks within minutes and mosquito's and fly's don't come near. Anyone that has a complaint about this product is not applying it right, or not following user directions correctly. I recommend this product to all of my clients and friends because it KILL'S TICKS!
Date published: 2014-04-28
Rated 5 out of 5 by from A MUST for camping, hiking and fishing adventures! I researched thoroughly and purchased this spray for our annual week long camping trip in Wisconsin. The mosquito's have been thick this year! As soon as camp was set up, I sprayed down the tent, our chairs, and the tablecloth. Within seconds of finishing the application, I noticed that there was not a single mosquito buzzing around our site!! We stayed for a total of 8 days/7 nights and the only bites we received were from stepping out of the safety of our campsite area. I am so thankful to have found this and plan on stocking up for future trips, you should do the same!!
Date published: 2014-07-31
Rated 5 out of 5 by from Best repellant on the market! Great, great product. I have used this on multiple outings for weeks at a time, and never had an issue with ticks, mosquitos, flies, etc. - in areas where I've previously been plagued. Others on the same outings were constantly dealing with insects that didn't come near me or my gear. An additional bonus is the effectiveness is the complete lack of odor after drying!
Date published: 2014-05-23
Rated 4 out of 5 by from Very useful tick repellent For work rather than recreation it doesn't last quite as long as the label indicates. Probably mostly due to more soiling on the clothes and heavier duty wash cycles reducing the permethrin concentration a bit. Definitely lasts 4 weeks, but with high tick populations there's a noticeable falloff in efficacy by 6 weeks. I usually spray work clothes the first of the month. Helps to have clothes that have fibers that tangle the ticks as they try to climb. Contact time x concentration = paralyzed ticks. On my old work pants with fibers that pill up a bit, with a fresh spray ticks won't even make it up to my knees. With a five week old spray on clothes with a nice smooth weave they can make it up to the shirt collar, though even then they're much less likely to attach than they would be on untreated clothes. Once you've learned how to use it properly the biggest problem with the spray is that it isn't available in 1 gallon containers.
Date published: 2014-05-12
Rated 5 out of 5 by from Really works well Used this product for the 1st time. Followed spraying instructions, soaked clothes and wore the clothe in the amazon rain forest for 18 days. Came out with 4 chigger bites in total. Our guide who did not have any protection had over 100 bites on this trip. Last year with no protection I had over 200 bites. This product is fantastic, no odor, and works really really well. Will buy again for sure.
Date published: 2014-10-14