CimeXa Insecticide Dust

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4.5 out of 5 stars Rating: 4.6

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CimeXa Insecticide Dust bottle (4 oz)

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CimeXa Insecticide Dust - 5 lbs. pail (5 lbs)

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CimeXa Insecticide Dust - CASE (12 x 4 oz. bottles)CimeXa Insecticide Dust - CASE (12 x 4 oz. bottles) case (12 x 4 oz bottles)

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CimeXa Insecticide Dust

CimeXa Insecticide Dust is the newest product available in the battle against bed bugs, fleas, ticks and other insects.  CimeXa Dust is 100% Silica dust, is very safe, odorless, and will not stain.  CimeXa Dust will last up to 10 years when applied to undisturbed areas like wall voids. It is very effective on bed bugs, fleas, and especially pyrethroid resistant bed bugs. When pests come into contact with CimeXa, the product clings to their exoskeleton and absorbs the waxy coating, causing death from dehydration.

How CimeXa Insecticide Dust Works

CimeXa Insecticide Dust contains 100% natural silica gel which kills insects by contact. When insects pick up the dust on the exoskeleton, it clings to and absorbs the waxy coating, causing dehydration and eventual death. CimeXa is best applied with a duster to avoid over-application. Because of its mode of action, CimeXa Dust takes longer to kill target pests. However, the natural ingredient has no properties that cause it to change or break down, so the dust is effective for at least 10 years when applied in undisturbed areas.

CimeXa Insecticide Dust Target Pests

Ants, Crazy Ants, Cockroaches, Firebrats, Silverfish, Spiders, Mites, Bed Bugs, Lice, Fleas, Ticks, and Drywood Termites.


Ants, Cockroaches, Firebrats, Silverfish, Spiders, Mites, Bed Bugs, Lice, Fleas, Ticks, Drywood Termites. Kills Bed Bug Adults and Nymphs Kills Bed Bug Nymphs Hatched from Dusted Eggs kills Pyrethroid-Resistant Bed Bugs.

Target Uses

CimeXa Insecticide Dust can be used in place of other similar insecticide dusts and used in voids, cracks and crevices for most common crawling insect pests. Because of its stability, CimeXa Dust is ideal for tedious or time-consuming dusting treatments, such as treatments of wall voids or attic spaces. CimeXa Dust is also an excellent dust for bed bug treatments because there is no known resistance to it. CimeXa Dust is completely natural, making it preferable for use in sensitive accounts or locations.

CimeXa Insecticide Dust Application Instructions

Apply at a rate of 2 ounces per 100 square feet. Use a handheld bellows, bulb, or puffer bottle type duster to apply a light, visible film. A power duster may also be used. Power duster use is limited to cracks, crevices, voids, attics and crawlspaces to insure containment of dust particles. Focus on areas where insects or their signs are seen.

CimeXa Dust may also be used as a spray, paint-on application, or foam. Combine 1 lb of product per gal. of water. Apply approximately 1 qt. of solution per 250 square feet of area to be treated. For injection treatment, add the appropriate amount of foaming agent to the product/water slurry and inject directly into galleries and voids.

A 4 oz. bottle covers approximately 200 square feet. A 5 lb. pail covers approximately 4,000-5,000 square feet.

Standard Application Rates

  • 2 oz. per 100 square feet
  • 1 lb. per 1,000 square feet – attics and crawlspaces
  • Liquid application: Mix 1 lb. dust with 1 gallon of clean water. Apply 1 quart of solution per 250 square feet

For use in the following areas:

In and around residential, multi-family, commercial, industrial, institutional, municipal, agricultural, research, daycare, health care, educational, recreational, and office buildings, hotels, motels, garages, transport vehicles, warehouses, theaters, food handling and food processing establishments, Federally inspected meat and poultry plants.


In attics, be sure to get dust near the eaves and vent pipes where insects often first enter, as well as around any pipes or potential access points between the attic and the main structure.

The bottom drawers in kitchen and bathroom cabinets can be removed and dust applied into drawer wells. No dust should be left exposed when drawers are replaced.

Cimexa Bed Bug Treatment: Remove bedding and take the bed apart. Treat the interior framework, joints and cracks in the bed frame. Treat the mattress and box spring, paying particular attention to tufts, folds and edges, and the interior framework of the box spring. Remove wall-mounted headboards and treat the back side. Treat picture frames, moldings, hollow furniture legs, cracks and crevices, along baseboards, and any areas with visible signs of infestation, including rugs and carpet. Treat upholstered furniture by removing or lifting (if possible) the cushions and treating the undersurface. Treat the interior framework, cracks and joints of the furniture, and the folds, tufts and edges of cushions and other upholstered areas. Do not treat toys and stuffed animals with product. Treat wall voids by removing electrical switch plate covers to allow access, but don’t apply dust directly in electrical boxes. Apply about ¼ oz of dust to each accessible void.

Cimexa for Flea Control:  Apply at a rate of 2 ounces per 100 square feet. Treat kennels, pet bedding/rest areas, floor and floor coverings (such as carpets), cracks behind molding and baseboards and other areas where pests may harbor.  Apply as a light film or light coating over the target surfaces.


CimeXa Dust is not intended for outdoor use.

CimeXa Insecticide Dust Features

  • Natural silica gel is safe, natural, and long-lasting
  • Odorless and non-staining
  • Effective even on pyrethroid-resistent bed bugs
  • Labeled for use in a wide variety of locations
  • Labeled for use in federally inspected meat and poultry plants

Extra Tips

  • Dust is best applied with a hand duster.
  • In food areas, only apply dust in cracks, crevices, and other inaccessible areas.
  • Any dust that is left visible after treatment should be removed and the exposed surface washed.
  • Insects need moisture, so kitchen and bath areas and areas immediately surrounding them, and any other damp areas should be carefully inspected and treated if necessary.

Rating Snapshot

5 stars   48
4 stars   7
3 stars   1
2 stars   1
1 star   3

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Average Customer Rating
4.5 out of 5 stars (60)

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Most Helpful Customer Reviews
  • 58 of 59 people found this review helpful:

    5 of 5 stars  Hands down the BEST bed bug treatment product on the market
    By Ken in Billings, MT on 08/13/2015

    YEAH YEAH, We've all heard the accolades of Diatomaceous earth and how it's the best "go to" treatment for bed bugs. well, I've got news for you, this leaves DE in the dust. hehe. Ok, I will take you down the rabbit hole of our bedbug hell. I'm no idiot. I've tried things and used empirical evidence to support a conclusion. We got bed bugs when we got a free king sized mattress that had been left behind by a tenant of the apartment we moved into. Had I know the hell that would follow, I wouldn't have moved into the apartment. The bed was infested and little did I know, that meant the entire house was infested. When I was finally able to identify the "mosquito bites" or rash that had magically appeared, I did a lot of extensive research to properly fight the pest and eradicate it. Now, I'm one of those people that the bites affect badly, so I was suffering quite a lot. My first purchase was an encasement for the bed and box springs. absolutely mandatory. You have to isolate any bugs away from you. Second mandatory purchase are climb up interceptors for the legs of your bed and furniture. Once you isolate your bed, then you can begin treatment. I tried alcohol, bedlam sprays, pretty much every expensive spray under the sun that you can purchase as an individual without a license. sure, the sprays did kill the bugs, but the damn things hide in every conceivable crack and nook. Sure, you spray the cracks and nooks with the sprays and it'll kill for a short while. But Cimexa, now that's an entirely different story. DE takes a bit of time to kill the bugs. Cimexa isn't instantaneous, but it DOES kill them every time they touch it. Lay a thin layer of Cimexa around the perimeter of your room. lay a thin dusting around anything you suspect may have bugs hidden in them and let the stuff do it's work. Put some in your climb up interceptors and around your bedframe and inside your encasements. Literally create an impenetrable barrier around yourself and let the bugs come to you, through the dust to their death. We fought for 2 YEARS using traditional DE and other treatments to no effect, however after using Cimexa, we stopped seeing them. It's now been a year since we've seen a bug in our rooms (and I mean ANY bug) though we still keep the interceptors and cimexa in place. I have a spare bottle i keep around for emergencies and have even started using it to get rid of bugs in my garden and hydroponics. The evidence showed a slight decrease with every single product but ultimately didn't provide the final solution. Cimexa did. I am a firm believer that Cimexa ALONE if used correctly and over time, will completely rid you of your bed bug problem. The bugs will always come seeking food (you) and as long as your protected by a barrier of dust of cimexa, while they may get you here and there, they have sealed their fate by walking over the cimexa to get to you to feast and it will be the last thing they do. Just like laying landmines around a fortified base, as the enemy continues to send troops your way, eventually they will have no more troops to send and you will have won by attrition. Oh also, make sure to adequately dust the inside of your furniture as well. Literally any place you "hang" that will provide a food source they can reach, will harbor the bugs, so do yourself a favor and spray Cimexa inside the couch and such too. You will want a dust mask as it hangs in the air for quite a long time it's so light.

    Expert Response   Expert response:
    Thank you for the in depth review of Cimexa! While we agree that Cimexa is an excellent product we do not recommend you use it alone to control a bedbug infestation because it can take several days to actually kill the bedbugs and in that time they can reproduce. Please take time to read our Bedbug Guide which explains how to effectively implement a bedbug program:

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  • 26 of 26 people found this review helpful:

    5 of 5 stars  Works great but read below
    By Nick in IL on 12/05/2013

    This is an impressive product that decimated a flea problem in our couch. I used it under the cushions and along edges. I also used it in low traffic problem areas on the carpet and pet bed. Be aware the dust is VERY fine and does hang in the air which is why I avoided using it on all of the carpet floors.

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  • 22 of 24 people found this review helpful:

    5 of 5 stars  CimeXa Insecticide Dust is an awesome product
    By Deb in Ottumwa, IA on 07/27/2014
    Verified Purchase

    I had cockroaches and others when I moved into my house that I rent. I followed the directions to a t. I used it around all my furniture including bookshelves, tv stands, couches, etc. I did this once a week and in about two weeks I noticed I was seeing less and less bugs all the time after a month I am not seeing any bugs at all. I still will apply the dust if I do starting seeing bugs again. I have also recommended CimeXa to my family and friends. It killed bugs and spiders that I did not even know I had. The bellow duster is also recommended as well, makes the application to the walls a lot easier and saves a lot of time.

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  • 20 of 23 people found this review helpful:

    5 of 5 stars  super!!
    By Teresa in NYC, queens on 10/10/2012
    Verified Purchase

    I use it 2 weeks already, I haven't seen any Bedbugs. PS ; i did use Bedlam Insecticide Spray too.

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  • 15 of 15 people found this review helpful:

    5 of 5 stars  Love seeing those suckers shrivel up
    By Tammy in Yarmouth, Maine on 06/03/2016
    Verified Purchase

    Yes, I am in a battle with the bed bugs - it is a pleasure to see their shriveled little bodies lying on top of my mattress encasement after using this stuff. I could not see any of the little suckers when I inspected, but the bites grew more numerous so I went ahead and treated. Thanks to CymeXa I now can see the dried up little corpses of the vampires that have been feeding on me. I hope their death - though fast - was painful and torturous. I have a couple of dusters that I've tried, but actually find dusting right from the CimeXa bottle is easiest. I will use this stuff for the rest of my life.

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Most Recent Customer Reviews
  • 1 of 1 people found this review helpful:

    5 of 5 stars  Insecticide dust and applicator
    By Joan in CANTON on 03/30/2017

    This powder is fantastic and it works immediately.i will definitely make sure I always have it here. Thanks

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  • 5 of 5 stars  Awesome product
    By Quyona in Concord on 03/27/2017

    My product was delivered quickly and worked great!

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  • 5 of 5 stars  Insects
    By Stacey in Lexington, NC on 03/15/2017

    This is the best stuff I have gotten to treat several different types of insects will I buy this again I SURE WILL

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  • 1 of 1 people found this review helpful:

    5 of 5 stars  Immediate Results
    By Mary in Winchester on 03/12/2017

    I had tried numerous products for bedbugs. Became very discouraged because nothing seemed to work very well. Cimexa yielded immediate results. The first day, I saw bugs trying to get away from the treated areas. My strategy was to create a Cimexa boundary around every feeding area. Problem is greatly reduced after a month. Am confident that this is the product that will finally eradicate them in my home.

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  • 4 of 5 stars  It seems to be working
    By Linda in Collinsville, OK on 03/08/2017

    It seems to be working. Just taking longer than I want !! I want this things gone from my house !!!!!

    Expert Response   Expert response:
    Thank you for your comments! Insecticide dust does kill insects more slowly than sprays, so we generally recommend using other products in conjunction with dust. If you would like to tell us more about what pest you are treating, then we will be happy to offer additional suggestion for you!

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  • 1 of 1 people found this review helpful:

    5 of 5 stars  PERFECT BACK UP
    By Hr in New Bern, NC on 02/20/2017

    I used this product after applying Temprid. This item holds true to its purpose. Safe, and it wreaks havoc on bedbugs; it dries them right up.

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  • 1 of 1 people found this review helpful:

    5 of 5 stars  Little dab will do you
    By Edward in Princeton,Texas on 01/16/2017

    This dust is very light and effective. Doesn't take much. German roaches are tough but this dust is great when placed correctly. Great product.

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  • 3 of 3 people found this review helpful:

    5 of 5 stars  Bed bugs final dead
    By William in Middle TN on 12/23/2016

    A friend that worked for an apartment complex told me about a chemical "temprid" that he used. Jackpot!!! This dust is Inexpensive! and simple to use, it kills ants, spider, roach, amazing stuff, but not nearly as dangerous as some of the other chemicals I tried. This dust use dehydration to kill them, that's it! No harsh chemicals . But try not to breath it and use some common sense before applying!!! Read up on it !!! I still use the dust along baseboard, crack , etc,. and make up test traps (super cheap and easy to refill) monthly. Thank God I found this site ! Thanks for review. your the best.

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  • 5 of 5 stars  Amazing results
    By Torrie in Tulsa, OK on 12/14/2016

    I have been using Temprid SC and seeing Good results. This Cimexa knocked the bedbug problem out quickly! We got bit twice after I Lightly dusted the edge of my box springs. About a week apart.

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  • 5 of 5 stars  bed bugs
    By Walker in Millington on 12/09/2016

    This stuff works the bug Definitely think twice about crossing over and when it does it's dead

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Most Helpful Q&A's

09/28/2012 Rob from San Diego, Ca

QI have bedbugs and I live in an aparment that has carpet. Do bedbug live in or under carpet?
Does carpet need treatment? What spay should be used on carpet?

ABedbugs will hide wherever there are places for them to hide. In most situations you will not be required to spray all of the carpet for bedbugs because bedbugs will not sit out in the middle of the carpet. Usually you will concentrate your treatments up under the lip of the carpet. A dust insecticide such as Cimexa Dust would be a great choice because it stays active for a every long time.

51 of 53 people found this answer helpful.
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06/23/2012 Anna from Waynesfield, Oh

QAre there advantages to using CimeXa Insecticide Dust versus the Alpine dust?

AThere are two main advantages.  Cimexa is 100% Cilica, which is basically ground up sand.  It is 100% natural and green.  The other advantage is that in undisturbed areas CimeXa can last up to 10 years, whereas other dusts including Alpine will typically only last 1 or 2 years at the most.

39 of 40 people found this answer helpful.
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08/05/2013 Karen from Massachusetts

QCan CimeXa be used together with Diatomaceous Earth?

AYes, these two dust are completely compatible and can be used mixed together to provide extra control.

34 of 37 people found this answer helpful.
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06/01/2015 Ann

QI have read to not have children around when applying Cimexa.
I have not seen it addressed that children will ultimately be on the carpet or touching items/toys that have cimexa on it, breathing it, transferring to face etc. can you address residual for children?

AChildren should not be allowed back in the area until the CimeXa Insecticide Dust has settled.  You are normally applying it to cracks and crevices and wall voids. CimeXa Insecticide Dust should not be applied to kids toys or carpet where they may be putting the item in there mouths. 

30 of 31 people found this answer helpful.
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11/13/2014 Donny from Nashville

QCan breathing in Cimexa hurt you

AAlthough, Cimexa contains 100% natural silica gel, we still do not advice breathing it in. It could be harmful to you. You may want to consider wearing a Respirator mask when making your application.

24 of 25 people found this answer helpful.
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Most Recent Customer Questions

12/26/2016 Deborah from Knoxville, Tn

QI am not sure how much CimeXa Insecticide Dust to buy for interior PERIMETER only
(It says coverage is 200 sq ft for a 4oz bottle.) For example, I have a 600 sq ft room BUT I am only going to use this around the perimeter which is 96 linear feet how much product do I need 1 bottle or 3 bottles?


CimeXa Insecticide Dust goes a long way. In each area you are applying, you only need to do approx. 3 puffs of powder. Most homeowners only need one 4oz bottle.

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12/04/2016 Shey from New York

QWhat can I use to block my apt door as access to bedbugs that a neighbor down the hall has?
A neighbor way down the hall, has had bedbugs recently. I have a cat and a dog.


Bedbugs can be a tough pest to prevent. Namely because these little insects are notorious hitch hikers, and you could completely seal all possible ways for the bedbug to come from the infested neighbor and still bring some home on your belongings from the movies, the mall or your place of employment. Having said that, you should still do all that you can to prevent having bedbugs come over from the neighbor. You should use caulk to seal any cracks or crevice around the baseboards, window frames, door frames, and around places where vents, cables, pipes or wires come through the wall. You can apply a dust such as Cimexa dust†into wall voids, electrical outlets, and switch plates. This will help kill any bedbugs that make their way through the walls. We also recommend thoroughly inspecting your mattress and headboards and bed frame frequently for any signs of bedbugs.

7 of 7 people found this answer helpful.
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11/16/2016 Kortne from Beaumont

QHow long does it take for CimeXa Insecticide Dust to kill bedbug nymphs and eggs?


CimeXa Insecticide Dust†can take minutes to hours to kill depending on what stage in life cycle the Bed Bugs are. It does cause them to dehydrate and die. The immature stages may take longer as they are not as active as the mature stages.†

4 of 4 people found this answer helpful.
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11/01/2016 Viv

QIs CimeXa Insecticide Dust effective for carpet beetles?
If so, how may I use it to kill these carpet beetles? (I have wooden floors, but they are munching my wardrobe - Also, I have an indoor cat.)


CimeXa Insecticide Dust can be used as part of a treatment program for carpet beetles, however we would recommend using an insecticide liquid or spray and an Insect Growth Regulator (IGR) as well for faster knockdown and control. NyGuard Plus contains both an IGR and an insecticide, and it is safe to use as a crack and crevice spray and as a broadcast for listed pests. Please take a few moments to review our article about How To Treat Carpet Beetles for more tips and information. Infested clothing items should be washed and dried or dry cleaned. Be sure that you have correctly identified the insect pest to ensure that it is not clothing moths that you have.

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10/19/2016 Mike from Chesterfield, Michigan

QWhat is the best product to use for a spider infestation in the drop ceiling in my basement?
about 900 sf of ceiling and the drop is about 8 in for the bottom of the floor joice


An insecticide dust such as CimeXa Insecticide Dust applied with either a hand duster or a Dustin Mizer would be great to use in a drop ceiling area for spiders and other crawling pests. CimeXa will be effective as long as it is present and dry, so it will provide protection long after liquid insecticides will have broken down. Dust is also safe to use where there may be electrical wires in that area. You may also need to check the humidity in the basement area; higher than normal humidity can attract insects which are providing a food source for the spiders.†Please see our Spider Treatment Guide for more tips and information.

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10/17/2016 Brandi from Vancouver, Wa

QWill Cimexa Dust kill carpet beetle larvae?
Had a carpet beetle infestation and we got rid of beetles but are still seeing larvae on baseboards and walls once in a while. I dusted with DE and sprayed dark areas with suspend.


Unfortunately, Cimexa Dust is not labeled for carpet beetles. If you are looking for a dust product we would recommend†Tempo 1% Dust instead. Suspend SC is also a good product to use as well.

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09/30/2016 Mary from Athens

QWill CimeXa Dust kill fire ants?
My yard has about 15 mounds and my dogs are getting eaten alive. Can I use CimeXa to drench them? I already have some, so it would help not to have to buy something else. Thanks!


CimeXa Dust is not labeled to kill fire ants.†

We would recommend you take a look at our Fire Ant Guide.†

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09/20/2016 Amanda from Sturgis South Dakota

QIs CimeXa Insecticide Dust safe around ornamental birds?
I have parakeets, parrots, and other exotic birds. is it safe to use this around them? (Around the cages and the crevices in the bird room)


Per the product label of CimeXa Insecticide Dust it can cause moderate eye irritation in humans and domestic animals. We would have to say that this would include birds as well. We would recommend removing their cages during the application, and until the dust completely settles in the room. The residual of the product would be perfectly safe provided they did not come in direct contact with it.†

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08/06/2016 Eli from Brooklyn

QCan I use CimeXa Dust in between walls where I already used Tempo Dust about a year ago?


Yes, CimeXa Dust can be applied in the wall voids where you previously applied Tempo 1% Dust a year ago.

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06/28/2016 Patty from Long Beach, Ca

QCan I use Cimexa Dust to kill palmetto bugs?


Absolutely,†CimeXa Insecticide Dustwill kill palmetto bugs. Please see our Roach Treatment Guide for more tips and information.†

1 of 1 people found this answer helpful.
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