5. Diatomaceous Earth
When used to eliminate bedbugs, diatomaceous earth will infuse a suffocating toxin that eats away at any exposed insect body parts. They work by penetrating the victims’ cells, which then kills them. Diatomaceous Earth, designed for use as a dry-cleaning agent, not a contact insecticide. The EPA requires only the equivalent of 0.05 parts per million applied to sheets or clothes before being washed.
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Bedbugs can infest your wardrobe and bedding, this makes diatomaceous earth great for washing affected clothes, killing any remainder nests or bugs. Many people consider this chemical a direct contact insecticide and use it as such.