POLIJE STUDENTS INNOVATE NATURAL TOOTHPASTE FROM EGGSHELLS AND BETEL LEAVES
A group of students from the Department of Agricultural Production, Politeknik Negeri Jember (Polije), has successfully developed a natural toothpaste using eggshells and betel leaves. This innovation aims to offer an eco-friendly, affordable, and health-oriented alternative to conventional oral care products. The toothpaste, named “Sirilar”, is made from a combination of powdered eggshells—rich in calcium—and…