<![CDATA[The humid environmental conditions and several areas prone to water accumulation at SMPN 18 Malang may support mosquito breeding, while the utilization of organic waste, particularly orange peels, as a functional product has not been optimally developed. This community service activity aimed to provide education on natural resource utilization, organic waste management, environmental health, and skills in processing orange peels into a natural mosquito repellent spray. The activity employed an educational and participatory approach through socialization, demonstration, group-based hands-on practice, and reflection and observation. Students were directly involved in processing orange peels and lemongrass through material preparation, blending, filtering, measuring, and product packaging to produce CINAMO (Citrus Natural Mosquito). The results indicated that students gained an understanding of the utilization of orange peels as valuable organic waste, environmental health, and mosquito prevention. Students also gained practical experience and skills in producing the product while developing collaboration skills through group activities. This activity demonstrates that orange peel processing can serve as an educational innovation that supports contextual learning, environmental awareness, and a culture of sustainable resource utilization.]]>
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