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How to keep insects away? 7 natural solutions that protect the house

Finding natural alternatives to keep insects away at home is a choice that relates to health, sustainability, and quality of life.

By CASACOR Publisher

Submitted at Dec 9, 2025, 9:41 AM

05 min de leitura
Canela e limão

Canela e limão (Freepik/Divulgação)

Creating a more comfortable home also involves considering the relationship with insects, especially during warmer and more humid periods. Seeking ways to keep insects away without resorting to aggressive chemical products has become an increasingly popular choice in homes that value well-being, health, and environmental balance.

Natural solutions act more gently in the air, preserve the quality of the internal projects, and can also contribute to the sensory atmosphere of the spaces. Below, we present accessible alternatives to effectively keep insects away, integrating care, aesthetics, and functionality.

1. Aromatic plants as a natural barrier


Certain plants have natural oils that act as repellents. Basil, mint, rosemary, lavender, and citronella help keep insects away when grown near windows, balconies, or light entries. In addition to their practical function, these species add freshness and texture to the projects.

Basil is one of the plants for garden

(Pixabay/Divulgação)

In the landscaping of small backyards, balconies, and even kitchens, these plants serve a dual purpose: they perfume the space and create natural protection against mosquitoes and other unwanted visitors.

2. Clove and lemon


The combination of clove with lemon is one of the best-known solutions to keep insects away in a targeted manner. The aroma released acts as a natural repellent, especially against mosquitoes and flies.

In addition to its functional use, this duo can form small decorative arrangements on console tables, side tables, and countertops, uniting aesthetics and protection discreetly.

3. Essential oils in the air


Essential oils like citronella, eucalyptus, peppermint, and lavender are important allies in keeping insects away from the internal projects. When used in electric diffusers or aromatic candles, they create a cleaner and more sensory pleasant atmosphere.

Essential oils

(Freepik/Divulgação)

This solution also contributes to the emotional comfort of the spaces, as many of these aromas are associated with feelings of freshness, relaxation, and renewal.

4. Vinegar for strategic areas


Vinegar acts as a natural repellent, mainly against ants. Its use in baseboards, drains, window panes, and corners of the floor helps to keep insects away that usually circulate in these areas.

As an easily accessible product, vinegar integrates simple routines of domestic care, without interfering with the quality of the air and without toxic residues for children and pets.

5. Dried herbs in cabinets


Sachets of herbs such as lavender, bay leaves, and mint are effective at keeping insects away from cabinets, drawers, and closets. Besides protecting fabrics against moths and small insects, they also leave a light fragrance on clothes.

bay leaves

(Freepik/Divulgação)

This alternative connects organization, care for personal collection, and a discreet sensory experience, enhancing well-being in everyday use spaces.

6. Screens and cross ventilation


Protective screens on windows and doors allow air circulation and light entry but help keep insects away constantly without chemical interference.

Well-ventilated spaces also make it difficult for mosquitoes to stay, as well as enhancing the quality of the internal projects— a crucial point for the health of the space!

7. Cleaning with natural ingredients


Maintaining the spaces with natural solutions, such as water, vinegar, baking soda, and essential oils, helps to keep insects away that are attracted by organic residues, grease, and moisture.

(Freepik/Divulgação)

When cleaning integrates with care for the air and surfaces, the project remains less conducive to insect proliferation, without the need for aggressive products.

CASACOR Publisher is a creator of exclusive content, developed by the Technology team of CASACOR based on the knowledge base of casacor.com.br. This text was edited by Yeska Coelho.