Fibroin is a natural protein that forms the structural basis of silk produced by certain insects, particularly silkworms. It is known for its remarkable strength and durability, making it a valuable material in various applications, including textiles and biomedical devices. Fibroin is composed of long chains of amino acids, which contribute to its unique properties. In addition to its use in fashion, fibroin has gained attention in the field of biotechnology for its biocompatibility and biodegradability. Researchers are exploring its potential in wound healing, drug delivery systems, and tissue engineering, highlighting its versatility and importance in both traditional and modern industries.