Soap of Tomorrow: ITB Students Win Global Award with Eco-Friendly Innovation

By Sri Wulandari - Mahasiswa Oseanografi, 2022

Editor Anggun Nindita

BANDUNG, itb.ac.id – Five students from the Postharvest Technology Study Program at the School of Life Sciences and Technology (SLST), at Institut Teknologi Bandung (ITB), who are part of the Stella Jeruk team, won third place in the international competition, I-CHALLENGE 2025, which was organized by Universitas Brawijaya in Malang.

This Business Product and Design Competition emphasized the development of economically viable solutions to support a greener and more sustainable future to achieve the zero-emission target by 2050. This goal is in line with the decarbonization action pan of the industrial sector towards Net Zero Emissions (NZE) target in 2050 by the Ministry of Industry.

The idea of eco-friendly soap innovation came from Gabriela Sinta Wirawati, Rahel Vanisha Napitu, Shinta Puspita Rachmawati, Panji Lintang Muqitta, dan Rizka Nur Maulani’s concern about environmental issues, particularly environmental pollution.

“We made this because we were concerned about environmental issues, especially polluted oceans and soil, one of the main causes of which is waste from conventional soap,” said Shinta.

Conventional soap has the potential to cause environmental problems because it is made from chemicals that can damage soil and water ecosystems, coupled with plastic packaging that is difficult to decompose. To maximize effort towards NZE, the team selected raw materials from banana peel waste, orange peel waste, and used coffee grounds.

The soap formula was meticulously designed based on prior research. The antimicrobial properties of the soap were obtained from the surfactant extraction from banana peel and orange peel waste, while coffee grounds were utilized as an exfoliator. Biofoam packaging made from sago starch which has been proved to degrade effectively in soil within 1-3 weeks was used, enabling plant growth upon the biofoam’s decomposition.

In its production process, Soap of Tomorrow used cradle-to-cradle model, ensuring that every step is zero-waste, fully recyclable, and biodgeradable. The product packaging is also highly practical, making it suitable for use in various conditions such as traveling.

The team hopes Soap of Tomorrow will become a product that comes from nature and returns to nature without causing harm to the environment. “We hope that this product can actually enter full-scale production so that it supports our mission in supporting environmental recovery,” said Gabriela.

Reporter: Sri Wulandari (Oceanography, 2022)
Translator: Senandung Shauma Bidadari (Management, 2026)

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