IIT Delhi’s Smart Mosquito-Repellent Detergents to Protect Against Malaria and Dengue
On November 27, 2025, researchers from the Indian Institute of Technology (IIT) Delhi announced a groundbreaking development in the fight against mosquito-borne diseases. Amid a rising incidence of diseases such as malaria, dengue, and chikungunya, the team has created innovative mosquito-repellent detergents that promise to enhance protection against these health threats.
The Need for Innovation
As mosquito-borne diseases continue to pose significant health risks globally, effective preventive measures are crucial. Traditional methods of mosquito control include:
- Liquids
- Coils
- Lotions
- Creams
- Roll-ons
- Sprays
- Patches
While these options are widely used, they have limitations. For example, topical formulations like creams and lotions can lose their effectiveness over time, increasing the risk of mosquito bites and the diseases they transmit.
Introducing Smart Detergents
The newly developed mosquito-repellent detergents are available in both powder and liquid forms. According to the researchers, these detergents maintain comparable wash-care properties to conventional detergents while adding the unique benefit of mosquito repellence.
Research Insights
Professor Javed Nabibaksha Sheikh, from the Department of Textile and Fibre Engineering at IIT Delhi, stated, “We have developed smart detergents to protect people from dangerous mosquito-borne diseases. The products have been tested in a commercial laboratory and have proven effective at repelling mosquitoes.”
Testing Methodology
The effectiveness of these detergents was evaluated using a method known as the “hand-in-cage” technique. In this test, volunteers placed their hands, covered with fabrics washed in the new detergents, into a box containing starved mosquitoes. The number of mosquitoes that landed on the fabric was then recorded.
The results were promising; fabrics washed with the smart detergents showed a significant reduction in mosquito landings, demonstrating their potential as a protective measure.
How It Works
Understanding the mechanics behind the mosquito-repellent properties of these detergents is essential. The active components within the detergents interact with the fibers of the fabric during the washing process. This interaction makes the fabric less attractive to mosquitoes, effectively deterring them from landing.
Professor Sheikh elaborated, “The active components work on both the smell and taste sensors of the mosquitoes.” This dual-action approach enhances the repellence, making it more difficult for mosquitoes to approach the treated textiles.
Durability and Longevity
One of the significant advantages of these smart detergents is their durability. Since textiles are frequently washed, the mosquito-repellent properties are regenerated with each wash. This ensures that the protective effects are not only efficient but also long-lasting, providing ongoing protection against mosquito bites.
Commercialization and Future Prospects
With a patent already filed for this innovative technology, the commercialization of these mosquito-repellent detergents is expected to occur soon. This development could represent a significant advancement in public health, particularly in regions where mosquito-borne diseases are prevalent.
Conclusion
The introduction of smart mosquito-repellent detergents by IIT Delhi represents a promising step forward in the battle against mosquito-borne diseases. By integrating repellence into everyday laundry practices, these detergents could help reduce the incidence of diseases like malaria and dengue significantly. As the products move toward commercialization, they hold the potential to improve public health outcomes and enhance the quality of life for millions.
Note: The information provided in this article is based on research conducted by IIT Delhi and is intended for educational purposes. Always consult health professionals for advice on disease prevention.

