Hirosaki U. Student Developing Toothbrush Made of Plastic Mixed with Scallop Shell Powder; Aims to Reduce Plastic Waste
The Yomiuri Shimbun Sakura Makikata shows a toothbrush made of plastic mixed with 51% scallop shell powder. The Yomiuri Shimbun 15:35 JST, February 5, 2025 AOMORI — A Hirosaki University student is developing a toothbrush made of plastic mixed with scallop …