<![CDATA[The BSI Explore community service initiative aimed to empower PKK cadres in Tirtomarto Village, Cawas, Klaten, to produce stable, safe, and hygienic alum-based spray deodorants. Using the Participatory Action Research (PAR) methodology, an intensive one-day workshop was conducted with 30 participants, covering cycles of planning, action, quality observation, and reflection. Cognitive evaluations revealed a remarkable 73.36% leap in understanding, as average scores rose from 50.16 (pre-test) to 86.96 (post-test). Product quality assessments confirmed that a 1:4 standard formula ratio (alum-distilled water) infused with glycerin maintained organoleptic stability, prevented crystallisation, and secured a skin-safe pH of 5.5–5.6. From a socioeconomic standpoint, PAR effectively built community confidence to produce deodorants independently at a minimal cost of IDR 3,500/bottle. This activity successfully laid a solid foundation for sustainable green cosmetic entrepreneurship within the local community.]]>
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