Disinfection, sterilization, and mold prevention with polyhexamethylene biguanide. This product has a broad-spectrum antibacterial effect and can kill Gram positive bacteria, Gram negative bacteria, fungi, and yeast. It can be widely used in daily chemical industry, water treatment, medical and health fields. Commonly used as a disinfectant for women's lotions, sanitary wipes, fruits, vegetables, and aquatic products, as well as coagulant disinfectants for wastewater treatment.