Updated: January 17, 2023

Earwigs are small insects that belong to the order Dermaptera. They are characterized by their elongated body, pincer-like appendages, and membranous wings. Earwigs are nocturnal insects that feed on plants, insects, and decaying organic matter.

Earwigs can be a nuisance in households as they tend to hide in dark and damp areas, such as basements, bathrooms, and kitchens. They also have a tendency to feed on clothing, paper products, and food, which can be a health hazard.

Epsom salt is a natural mineral compound that is composed of magnesium and sulfate. It has been used for centuries for its medicinal properties and as a natural remedy for various ailments. In recent years, Epsom salt has gained popularity as a natural pesticide due to its ability to repel insects.

What is Epsom Salt?

Chemical composition

Epsom salt is also known as magnesium sulfate heptahydrate. It is composed of magnesium, sulfur, and oxygen atoms. Magnesium is an essential nutrient for plant growth and development, while sulfur is important for protein synthesis.

Uses of Epsom salt

Epsom salt has a wide range of uses, including:

  • Relieving muscle pain and soreness
  • Reducing inflammation
  • Treating constipation
  • Improving sleep quality
  • Stress relief
  • As a natural pesticide

Benefits of using Epsom salt for plants

Epsom salt is particularly beneficial for plants due to its high magnesium content. Magnesium is essential for chlorophyll production and photosynthesis, which are crucial processes for plant growth and development. Epsom salt can also help prevent yellowing leaves and improve overall plant health.

What are Earwigs?

Physical characteristics of earwigs

Earwigs are typically small insects with elongated bodies that range from 5-25 millimeters in length. They have two pairs of wings but only use them for short flights. Their most distinctive feature is their pincer-like appendages located at the end of their abdomen.

Habits and habitats of earwigs

Earwigs are nocturnal insects that prefer dark and damp environments such as under rocks or in soil crevices. They feed on plants, insects, and decaying organic matter.

Damage caused by earwigs

Earwigs can cause significant damage to plants by feeding on leaves, flowers, and fruits. They can also burrow into the soil around plant roots and damage them.

Can Epsom Salt Repel Earwigs?

The theory behind using Epsom salt to repel earwigs

The theory behind using Epsom salt to repel earwigs is that the high magnesium content in Epsom salt repels insects by making the plant less appealing to them.

Scientific studies on the effectiveness of Epsom salt as an insect repellent

There have been limited scientific studies on the effectiveness of Epsom salt as an insect repellent. However, anecdotal evidence suggests that it may be effective in repelling certain insects.

Other natural remedies for earwig control

Other natural remedies for controlling earwig infestations include diatomaceous earth, neem oil, and cedar oil.

How to Use Epsom Salt for Earwig Control

Preparation of Epsom salt solution

To prepare an Epsom salt solution for earwig control, dissolve one cup of Epsom salt in one gallon of warm water.

Application methods for treating earwig infestations

To treat earwig infestations with Epsom salt solution:

  1. Pour the solution into a spray bottle.
  2. Spray the affected areas with the solution.
  3. Repeat the process every few days until the infestation subsides.

Precautions and safety tips when using Epsom salt for pest control

While Epsom salt is generally safe to use as a pesticide, it should not be ingested or applied directly to the skin. It is also important to follow proper dilution instructions and avoid overuse.


In summary, while there is limited scientific evidence on the effectiveness of Epsom salt as an insect repellent, it may be effective against certain pests such as earwigs. Other natural remedies such as diatomaceous earth and neem oil may also be effective.

Overall, while more research is needed on the efficacy of using Epsom salt as a natural pesticide, it remains an attractive option for those looking to avoid harsh chemicals in their pest control efforts.

Further research should be conducted on the effectiveness of natural pest control methods such as using Epsom salt or other natural remedies. This will help provide more information on how best to use these methods in pest control efforts while minimizing risks to human health and the environment.