Dryer sheets do not kill bed bugs. There is no scientific evidence that dryer sheets can kill, repel, or prevent bed bug infestations. While the fragrance compounds in dryer sheets may temporarily confuse some insects, bed bugs are largely unaffected by them. The good news: your household dryer itself is one of the most effective tools for killing bed bugs on clothing and bedding, just not because of the dryer sheet inside it.
Why Dryer Sheets Don’t Work
The idea behind this home remedy is that the strong fragrance in dryer sheets overwhelms bed bugs or drives them away. Dryer sheets release a mix of synthetic fragrances and softening chemicals that do produce a noticeable scent, but bed bugs are not strongly affected by these compounds. More importantly, the scent evaporates quickly, so even any marginal effect would disappear within hours.
Rutgers University’s agricultural research station lists dryer sheets alongside plant oil repellents as products with no data supporting their use against bed bugs. Bed bugs locate hosts primarily through body heat and carbon dioxide, not smell alone, which makes scent-based deterrents a poor match for this pest. Placing dryer sheets around your mattress or furniture will leave you with fresh-smelling bedding and an unchanged bed bug problem.
The Dryer Itself Is What Kills Them
Here’s the distinction worth understanding: dryer sheets are useless, but the dryer machine is genuinely effective. Bed bugs die when exposed to 118°F for 20 minutes. Their eggs are tougher, requiring 118°F for a full 90 minutes to reach complete kill. A loosely filled household dryer set on high heat reaches these temperatures easily, killing all life stages of bed bugs, adults, nymphs, and eggs, in about 30 minutes.
To use your dryer as a bed bug treatment tool, follow a simple protocol. Wash clothing, bedding, and linens in the hottest water the fabric can tolerate, then dry on high heat for at least 30 to 45 minutes. Items that can’t be washed (stuffed animals, shoes, throw pillows) can often go straight into the dryer on high. After drying, seal everything in plastic bags immediately. This prevents bugs elsewhere in your home from reinfesting clean items. Depending on your overall treatment plan, you may need to keep belongings sealed in bags for several weeks to months.
For dry-clean-only items, bag them separately and bring them to a dry cleaner. Let the cleaner know the items may be infested so they can handle them appropriately.
Other Home Remedies That Fail
Dryer sheets aren’t the only DIY bed bug treatment that sounds reasonable but doesn’t hold up. Rubbing alcohol can kill individual bed bugs on direct contact, but it only works if you spray the bug itself. Since bed bugs hide in cracks, seams, and crevices during the day, finding and directly spraying every one is nearly impossible. Worse, rubbing alcohol is extremely flammable. In 2017, a Cincinnati woman doused her furniture in alcohol to kill bed bugs, and a nearby flame ignited a fire that displaced 10 people. At least three other similar house fires have been reported.
Essential oils show some promise in laboratory settings. One study found that two commercial products containing essential oils killed more than 90% of bed bugs in a petri dish, and concentrated oregano oil repelled them for over nine hours in lab conditions. But killing bugs in a dish is vastly different from eliminating an infestation in a home full of hiding spots. These products have not been shown to resolve real-world infestations. Big box stores stock many products claiming to kill bed bugs, but the scientific backing for most of them is thin.
What Actually Works
Effective bed bug control relies on a combination of heat, physical barriers, and (in most cases) professional treatment. Beyond using your dryer for washable items, several non-chemical approaches have genuine evidence behind them.
Mattress and box spring encasements are zippered covers that trap any bugs already inside and prevent new ones from colonizing. They don’t kill bed bugs on their own, but they eliminate the most common hiding spot and make inspections easier. Bed bug interceptor cups, small plastic dishes placed under bed legs, catch bugs trying to climb up to reach you at night. They serve double duty as both a monitoring tool and a physical barrier.
Steam cleaning can kill bed bugs and eggs on contact when the steam reaches lethal temperatures, but it requires slow, methodical passes over every surface and seam. It works best as a supplement to professional treatment rather than a standalone solution.
For anything beyond a very small, localized problem, professional pest control is the most reliable path to elimination. Bed bugs reproduce quickly, hide in places most people would never think to check, and can survive months without feeding. A professional can assess the scope of the infestation and apply targeted treatments, whether chemical, heat-based, or both, that address the entire population rather than just the bugs you can see.