
9 tips to completely get rid of cockroaches from your house using natural ingredients, without using chemicals

Natural Ways to Repel Cockroaches Without Using Chemicals
Cockroaches are one of the most troublesome household pests, posing serious risks to human health. These insects carry bacteria and pathogens that can easily contaminate utensils, food, and surfaces they come into contact with. When people accidentally consume or touch these contaminated items, they may face a high risk of bacterial infections and diseases such as food poisoning, diarrhea, or allergies. Fortunately, there are many natural, chemical-free methods to repel cockroaches effectively while keeping your home smelling fresh and pleasant.
1. Peppermint Essential Oil
Peppermint essential oil is one of the most effective natural repellents for cockroaches. These insects strongly dislike its sharp, refreshing scent. To make a simple spray, mix a few drops of peppermint oil with water and pour it into a spray bottle. Spray the solution around areas where cockroaches tend to gather—such as sinks, kitchen corners, bathrooms, and garbage bins.
Besides driving away cockroaches, peppermint oil also helps repel other insects like ants and mosquitoes while leaving behind a cool, pleasant aroma that’s safe for humans and pets.
2. Orange and Lemon Peels
Citrus peels—especially orange and lemon—contain natural essential oils that produce a fresh, uplifting scent for humans but are unbearable for cockroaches. Simply place dried citrus peels in areas where cockroaches often appear.
Alternatively, mix lemon juice with a small amount of water, pour it into a spray bottle, and spray it around the kitchen, garbage areas, and bathroom corners. The natural acids and oils not only repel cockroaches but also act as a mild disinfectant, helping to keep your home cleaner and more hygienic.
3. Garlic
Garlic’s strong and pungent odor is a natural enemy of cockroaches. Sprinkle a small amount of garlic powder or crushed garlic in areas where cockroaches usually roam or hide. Once they smell the scent, they’ll quickly retreat.
Because garlic powder is light and easily blown away, it’s best to place it in wind-protected corners or mix it with a little water to make a stronger paste that lasts longer.
4. Onion
Similar to garlic, onions have a sharp smell that cockroaches cannot stand. Slice onions thinly and place them near food storage areas or places where roaches are frequently spotted. The natural sulfur compounds in onions help repel not only cockroaches but also other insects.
However, make sure to replace the onion slices every few days to prevent odor buildup or spoilage.
5. Alum (Potassium Aluminum Sulfate)
Alum, commonly known as phèn chua in Vietnamese, has a distinct smell that deters cockroaches effectively. To use it, dissolve a few spoonfuls of alum powder in warm water and use the mixture to mop your floors.
As the floor dries naturally, a thin layer of alum residue will remain, leaving behind a faint scent that cockroaches find repulsive. Regular use can help maintain a roach-free environment without relying on toxic chemicals.
6. Coffee Grounds
Coffee’s strong, pleasant aroma can be cleverly used to trap cockroaches. Mix used coffee grounds with a little water and place small portions into empty soda or beer cans. Cockroaches will be drawn to the smell, crawl inside the containers, and often find it difficult to escape.
This simple trick can be a great eco-friendly trap for controlling cockroach populations in your kitchen.
7. Bay Leaves
Bay leaves are a common spice used in cooking, known for their subtle fragrance. While humans find their scent pleasant, cockroaches absolutely despise it. You can place a few dried bay leaves in cupboards, cracks, or under sinks to keep roaches away.
For stronger results, grind the bay leaves into powder and sprinkle it in areas where cockroaches frequently hide. It’s a completely natural and long-lasting repellent.
8. Laundry Detergent and Fabric Softener
A mixture of laundry detergent and fabric softener can also work as a roach repellent. Combine a small amount of detergent with fabric softener and spray it into bathroom corners, under the sink, or along kitchen walls.
The solution clogs the breathing pores of cockroaches, causing them to die after a few applications. As an added bonus, your home will smell cleaner and fresher.
9. Baking Soda
Baking soda is not just for cleaning—it can also help eliminate cockroaches. Mix baking soda with sugar, flour, or fried shallots to attract the pests. When they consume the mixture, the baking soda reacts with acids in their stomach, producing gas that eventually kills them.
It’s a simple yet highly effective natural remedy to reduce roach populations over time.
Final Thoughts
These chemical-free cockroach repellent methods are safe, easy to make, and environmentally friendly. By combining a few of them regularly, you can not only drive cockroaches away but also prevent them from returning. Maintaining a clean kitchen, sealing food containers, and removing garbage daily will further enhance the effectiveness of these remedies.
Say goodbye to harmful pesticides and enjoy a fresh, pest-free home with these natural solutions.
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