If by the “surprising natural hack” you mean using a strong scent such as peppermint oil, there’s an important catch: peppermint, cloves, ammonia, ultrasonic devices, and similar home remedies are often advertised as mouse repellents, but they shouldn’t be relied on as the main solution. The most effective non-chemical approach is to make your home inaccessible and remove food and shelter, then use traps for mice already inside. The CDC and EPA emphasize this combination.
The natural approach that actually works
Think of mouse control as “seal + starve + trap.”
1. Find the mouse’s entry point
Mice can squeeze through an opening about ¼ inch (6 mm) wide—roughly the diameter of a pencil. Check:
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Under and behind kitchen cabinets
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Around pipes under sinks
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Behind the refrigerator and stove
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Around heating, plumbing, electrical and cable lines
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Around doors and windows
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Basement and attic areas
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Floor-to-wall joints
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Vents and utility openings
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Around the foundation and roofline
Look for small dark droppings, gnaw marks, shredded paper/fabric, food packaging damage, or a stale odor.
2. Seal the holes — this is the “surprising” part
Instead of trying to make the mouse dislike your house, physically prevent it from getting back inside.
For small holes, the CDC recommends packing steel wool into the opening and securing it with caulk. Larger openings may require hardware cloth, metal sheeting, cement, or another rodent-resistant material.
Pay particular attention to holes around pipes and cables. A beautiful, clean kitchen won’t solve the problem if there’s a tiny mouse-sized highway behind the cabinets.
3. Remove the mouse’s free food
For at least several days, make your home extremely unattractive as a food source:
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Store cereal, flour, rice, pasta and other dry foods in tightly sealed containers.
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Don’t leave pet food out overnight.
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Clean crumbs and spills immediately.
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Keep garbage in a tightly closed container.
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Clean food residue from countertops and floors.
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Don’t leave dirty dishes sitting overnight.
The EPA and CDC both recommend eliminating food and water sources as part of rodent control.
4. Use snap traps for the mice already inside
If you already have mice indoors, sealing the house prevents new mice from entering, but doesn’t necessarily remove the ones already there.
The CDC recommends traditional snap traps for household mouse control. Put them where you’ve seen droppings or other evidence of activity, particularly along walls. The baited end should be positioned next to the wall so the trap forms a “T” with it, because mice commonly travel alongside walls. Peanut butter can be used as bait.
Keep traps completely inaccessible to children and pets.
5. What about peppermint oil?
You can use peppermint oil as an optional supplemental measure, particularly around suspected entry areas, but I wouldn’t call it a proven “get rid of mice” hack.
The important distinction is:
Peppermint oil may make an area smell unpleasant to mice temporarily → sealing the opening prevents the mouse from using it.
If you simply put peppermint oil around the kitchen while leaving a ¼-inch hole behind the refrigerator, you’re essentially asking the mouse to walk around the smell and continue living in your house.
Don’t make these common mistakes
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Don’t depend on ultrasonic repellents alone.
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Don’t depend on peppermint oil alone.
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Don’t leave food out to “bait” mice away from the kitchen.
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Don’t use glue traps. The CDC specifically advises against them.
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Don’t put poison where children or pets can reach it. If rodenticide is necessary, EPA recommends appropriate tamper-resistant bait stations and following the product label.
Very important: cleaning mouse droppings
Don’t simply sweep or vacuum dry mouse droppings. Disturbing contaminated material can put particles into the air.
Instead:
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Put on rubber or plastic gloves.
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Thoroughly wet the droppings with household disinfectant or the CDC’s recommended bleach solution.
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Let the disinfectant sit for about 5 minutes, or follow the product’s instructions.
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Pick up the material with paper towels.
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Dispose of it in a covered garbage container.
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Disinfect the surface afterward.
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Wash your hands after removing your gloves.
A simple 7-day mouse-elimination plan
Day 1: Find droppings and entry points.
Day 1: Seal every hole you can find, especially openings around pipes and cabinets.
Day 1: Remove accessible food, pet food and garbage.
Day 1: Put snap traps along active mouse routes.
Days 2–7: Check traps and look for fresh droppings or gnawing.
Throughout: Keep food in sealed containers and maintain a clean kitchen.
After activity stops: Continue monitoring because a mouse-free home depends on keeping entry points sealed.
The CDC recommends continuing trapping until there are no more signs of rodents; if there are no new signs or captures for about a week, that is a useful indication that the active infestation has stopped.
Bottom line: The genuinely useful “natural hack” isn’t a magic ingredient. It’s finding the tiny opening the mouse is using and sealing it, while removing food and trapping any mice already inside. That approach addresses the cause rather than merely making your home smell unpleasant to them.