Is Demon WP Safe for Pets?

Two white and gray morkies sitting on a couch

Demon WP (wettable powder) is one of the most popular insecticides that kill ticks, fleas, ants, cockroaches, Assassin Bugs, and California Oakworm. It contains a powerful ingredient, cypermethrin which is effective in killing these insects in minutes. The question is, is Demon WP safe for pets and other animals?

Is Demon WP Safe for Pets?

Fortunately, Demon WP is safe to use around pets as long as you follow the manufacturer’s instructions. The active ingredient, cypermethrin, is a synthetic pyrethroid similar to a naturally occurring compound in chrysanthemums. When used as directed, it can be safely applied to the environment where pets may contact it without risking their health.

Person wearing yellow protective gear holding a spray can

That said, following instructions closely and keeping pets away from treated areas until the product completely dries is important. This will ensure that their fur won’t absorb any of the insecticides and that they won’t be exposed to toxic pest chemicals through licking or ingesting.

Also, buying spray products from recognized pest control companies is essential so you can ask questions when necessary before you do pest control by yourself. At Self Control Pest, we provide tips on using our product safely around you, your family, and your pets. Subscribe to our plan and get a top-notch product to help you eliminate pests.

How Does Demon WP Work?

Demon WP contains cypermethrin, a synthetic pyrethroid that paralyzes pests' nervous systems. When the insect ingests or comes in contact with the product, it will become paralyzed and die almost immediately.  At the time of action, it acts as a repellent, making the area inhospitable to pests.

According to Environmental Protection Agency (EPA), Demon WP should be applied directly to areas commonly infested with pests. This includes cracks and crevices, under furniture, around doors and windows, and any other area where pests may enter the home.

Similar to our Superior DIY pest control solution, this product has long-lasting effects, lasting up to two months, cutting down your pest control maintenance effectively.  This means that it will continue to work long after its initial application. During this time, the product will remain effective in killing the pests that come into contact with it and, at the same time, helping to repel other pests from entering the home.

What Are the Steps for Applying Demon WP Safely Around Pets?

DIY has become a popular way to get things done these days, and pest control is no exception. If you decide to tackle the problem yourself with Demon WP, there are steps that you can take to ensure its safe use around pets:Two white and gray morkies sitting on a couch

  1. In your sprayer, fill the container halfway with water. Ensure that your sprayer has no leaks and that the nozzle is in good condition.
  2. Add the required amount of Demon WP to the container and screw on the lid.
  3. Shake the container to mix the product and water together.
  4. Spray the affected areas, being careful not to get any product on your pets or their belongings.
  5. Allow the product to dry completely before allowing your pets back into the treated area.
  6. Clean up any excess product that may have gotten onto surfaces.
  7. Monitor the area for any signs of pests, and reapply after every 30 to 60 days according to the instructions.

What Is the Risk of Using Demon WP Around Pets and Other  Animals?

While Demon WP is generally safe to use around pets and when used as directed, there are still some risks that need to be considered. The following are some of the potential risks that need to be considered when using pest control solutions around pets and other animals:

  • Pets may come into contact with the product before it dries completely and ingests it, which can lead to toxic poisoning.
  • Pets may have allergic reactions to the active ingredient, cypermethrin, which can be uncomfortable and even life-threatening.
  • Overusing the product can lead to buildup in the environment, harming both pets and humans.
  • Inhalation of the product can cause respiratory problems for pets and humans.
  • The product can be toxic to beneficial insects, such as bees and butterflies, that are important for the environment.

What Are the Precautions When Using Demon WP Around Pets?

Person wearing a white protective gear spraying pest spray directly on a living room areaUsing this product around your pets can be risky, which is why it’s important to take some precautions when using it:

  • Always read the label and follow the instructions. This will help ensure that you use the product safely and as directed.
  • Keep all pets and children away from the treated area until it has dried completely. This is to avoid any potential risk of exposure to the product.
  • Wear protective clothing such as gloves, goggles, and a face mask when handling the product. Inhaling the product can be dangerous.
  • Store the product out of reach of pets and children in a secure location to avoid any potential accidents.
  • Clean up any excess product that may have gotten onto surfaces to reduce the risk of accidental ingestion by your pets.

Frequently Asked Questions

Is Demon WP Safe for Indoor Use?

No, the product should only be used outdoors. It is only approved for crack-and-crevice and spot treatments. In most cases, indoor use is unnecessary as pests are typically brought indoors on clothing or shoes.

How Often Should You Re-Apply Demon WP?

The product should be reapplied every 30 to 60 days or as needed. This will depend on your area's level of pest activity and how often pests enter your home. If you see an increase in pest activity, you may need to reapply more frequently.

What Happens if a Dog Licks Insecticide?

When a dog licks insecticide, it can cause toxic poisoning. Poisoning symptoms may include vomiting, diarrhea, drooling, and difficulty breathing. It is important to seek immediate veterinary care if you suspect your pet has been poisoned.


Demon WP is an effective pest control product; however, it should be used cautiously around pets. It can cause respiratory problems, skin irritation, and allergic reactions when ingested or inhaled and the pest chemicals can be toxic to beneficial insects. Ensure the product is used according to the directions on the label.

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