Are you still searching for the best silverfish repellents?

Then you’ve come the right place!

In this Pest Strategies product review you can expect to learn:

  • Our #1 overall best silverfish repellent
  • What silverfish repellents are and how they work
  • If repellents are effective at controlling the silverfish population
  • Recommended repellents for your home

Top 5 Best Silverfish Repellents

Short on time? Take a look below for the top 5 in our list.

Otherwise, continue reading our complete guide to learn more about silverfish repellents and determine which ones may be best for your infestation.

  1. Wondercide Natural Indoor Pest Control
  2. Eco Defense Organic Home Pest Control Spray
  3. Household Essentials CedarFresh Lavender Scented Spray
  4. Dekko Silverfish Paks
  5. Eco Defense Pest Control Pouches

As you go though this guide, make sure to take pay special attention to HOW these sprays and pouches are used. Using them correctly is one of the most important elements of getting value from these repellents.

Alright, let’s continue with our full review below!

1. Wondercide Natural Indoor Pest Control Spray

Silverfish is just one of the annoying pests that we want to get rid of at home.

Flies, mosquitoes, roaches, ants, wasps, fleas, and ticks continuously infiltrate our houses and disrupt our normal daily lives. This 32 oz bottle is packed with enough power to successfully get rid of such pests.

It’s totally safe to use throughout the house even with the presence of pets and children.

The solution is made of food grade ingredients which means that it can be sprayed in the kitchen without worrying from food contamination. What makes this product our second best option is the fact that it doesn’t leave stains on furniture, carpet, and mattresses.

Equipped with cedar and peppermint extracts, the repellent has aroma-therapeutic properties which are healthy for everyone in the house. Moreover, the scent can also improve the overall ambiance of your home.

The Good:

  • Works on over 100 types of insect pests
  • No harmful chemicals
  • Made with food grade ingredients
  • Leaves no stains

The Bad:

  • Need to be sprayed at close range for greater efficiency
  • Repels only for a few hours
  • More expensive than other products


  • Works on multitudes of pests
  • Environmentally friendly
  • Organic and aroma-therapeutic

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2. Eco Defense Home Pest Control Spray

Eco Defense Organic Home Pest Control Spray is not your ordinary silverfish repellent. It’s a multi-insect pest control solution which means that the product can work efficiently on various types of infestations.

The spray repellent works both ways as a contact insecticide and as a repellent. It works immediately in killing the silverfish upon contact and has a residual effect on treated areas keeping the insects away for a significant period of time.

This is a great option for homeowners with sizeable properties and who are facing infestation issues with different types of insects apart from silverfish.

The Good:

  • Contact insecticide and repellent in one solution
  • Safe all natural solution
  • Easy to use spray bottle
  • Kills silverfish immediately with lesser need for reapplication

The Bad:

  • Expensive for an organic type repellent
  • Doesn’t work well on larger cockroaches and other ant species
  • The scent can trigger an asthma attack


  • Organic and natural solution
  • Safe around children and pets
  • Fast acting and long lasting

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3. Household Essentials CedarFresh 84802 Cedar Power Spray

If you are looking for a small but potent silverfish repellent that you can easily keep and take out from your pocket, this Cedar Spray by Household Essentials could be your perfect option.

Its concentrated cedar oil formula makes it a better alternative over moth balls. This repellent spray is also effective in improving the efficiency of cedar wood cabinet and clothing protectors.

The Good:

  • Concentrated cedar essential oil formula
  • Small and easy to use spray bottle
  • Infused with lavender
  • Restores scent and effects of cedar wood clothing protectors

The Bad:

  • Scent may not last long
  • A little expensive compared to other cedar sprays


  • Concentrated cedar oil formula
  • Environmentally friendly
  • Compact and easy to use 59ml spray bottle

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4. Dekko Silverfish Paks

Dekko Silverfish Paks is a bait-type systemic insecticide that can work for months at a time.

The baits come in small packs that can be conveniently placed on silverfish infested areas. The insects are drawn towards the bait and eventually consume boric acid.

With 20% boric acid, it is important to place the packets in places that are out of children’s reach. With each pack lasting up to 3 to 4 months, Dekko Silverfish Paks is a budget friendly alternative to the ones discussed earlier in this list.

The Good:

  • Each box comes with 24 packets
  • Each packet can last 3 to months at a time
  • Boric acid kills silverfish and other invasive insects

The Bad:

  • Doesn’t work well in baiting the silverfish
  • Not good to use with children and pets around


  • 20% Boric Acid
  • 24 easy to use packets
  • Works for months at a time

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5. Eco Defense Pest Control Pouches

Eco Defense Pest Control Pouches work on keeping silverfish and other insects at bay simply by deodorizing your indoor environment with the combined scent of multiple essential oils.

The Eco Defense Pest Control Pouch formula includes:

  • Cedar
  • Cinnamon
  • Lemongrass
  • Rosemary
  • Peppermint

This silverfish repellent is a safe and mess free alternative towards liberating your home from these annoying scavengers.

Each box is packed with 12 odorant pouches that can last for up to a year per use. The solution is economical and easy to use even inside one’s car.

The Good:

  • This product is environmentally friendly
  • Each pack can last a year
  • Rejuvenating scent of essential oils
  • No mess easy to use

The Bad:

  • Effective on silverfish but not as much on rodents
  • Not as effective as spray repellents


  • Pouched essential oil repellent
  • Long lasting repellent efficiency
  • Safe and mess free

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What Are Silverfish Repellents?

Most silverfish repellent products are made of natural ingredients making it safe to use even with the presence of children and pets. Majority of these repellents are in spray form for easy use and are commonly made of peppermint, cinnamon, lemongrass, rosemary, and cedar extracts.

These essential oils have been long proven to be very effective in repelling a spectrum of invasive insects. These natural extracts are a safe alternative over harmful chemical based products. Furthermore, cedar and peppermint essences make your home smelling fresh with aroma-therapeutic benefits.

Other silverfish repellents employ the use of boric acid which is one of the most commonly used insecticides in majority of households. Apart from silverfish, boric acid has been known to be quite effective against a spectrum of other insect pests such as cockroaches, ants, and spiders.

Natural vs Synthetic Chemical Ingredients

Silverfish repellents are divided into two major categories – natural and the synthetic chemicals.

Natural ingredients are bio-chemicals which are derived from a living organism such as plants. These insecticides are considered to be non-toxic and are often considered as a safer alternative for households with children and pets.

More importantly, this type of insecticides is used mainly in farms to protect crops from being exposed to hazardous elements that come with synthetic chemical products. A good example of a natural or bio-chemical ingredient is pyrethrin.

On the other hand, synthetic chemical insecticides are those formulated mainly to kill insect pests. The two main categories of synthetic chemical insecticides are contact and systemic.

Contact insecticides yield lethal results as soon as the chemical itself touches the body of the target insect. The systemic insecticide on the other hand, requires a bit of time to work its magic within the system of the insect.

In most cases, synthetic chemical insecticides work faster and stay longer compared to their bio-chemical counterparts. However, these ingredients have been known to have high levels of toxicity and pose a serious and direct threat to humans, animals, and the environment.

On the other hand, bio-chemicals can be as effective but have significantly low toxicity levels.

What Makes for an Effective Silverfish Repellent?

Silverfish infestation has become quite a common issue these days among many homes. This gave rise to a wide variety of repellents specially formulated at targeting bluish, scaly, and six-legged scavengers.

The three critical factors homeowners should look at are strength, effectiveness, and overall cost.

How Strong Is It?

Some repellents have concentrated formulas to boost the product’s overall efficiency. There are also some others that work both as a contact type insecticide and as a repellent.

In looking at these products, it is critical to consider how long the chemical stays effective on treated areas. This will help users determine how often the product needs to be applied on concerned spaces.

How Effective Is It?

Effectiveness has always been a driving factor on the general public’s preference to certain products. Some repellents work solely on silverfish while others have been effective in keeping other types of invasive insects away as well.

This can also be observed on the first few days of the repellent being used particularly if whether or not the silverfish have been totally eradicated throughout the property.

How Much Does Silverfish Repellent Cost?

Prices of silverfish repellents vary significantly. Major factors that directly affect the price of the product are the weight or volume and the formula or ingredients used to manufacture the solution.

Total cost of investing on silverfish repellent depend on the overall size of the concerned property and the severity of the infestation. The latter factor however, is more relevant on the extermination stage of the plan rather than on the prevention phase which is basically dominated by repellents.

If you’re experiencing a serious silverfish infestation, check out our rankings for best exterminator.

Do Silverfish Repellents Work?

Repellents don’t necessarily eliminate silverfish infestations. They are however, quite effective in repelling silverfish which is just a part of an entire and more comprehensive insect control program.

Generally speaking, silverfish repellents are not 100% effective. Efficiency of the products are basically affected by the surrounding circumstances.

These include:

  • The landscape of the infested space
  • Total area of the concerned room/s
  • Property ventilation
  • The presence of other structural issues

Silverfish are known to have high tolerance on a variety of chemicals used on popular insecticides and this means that some repellents may tend to have low efficiency depending on the ingredients involved.

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