... the silver powder has no harm or irritation for human body, no pollution to the environment and no side-effect to the ... it can bring an effect of antibateria and antiodour.Item No.: SD-02Product NatureAppearance: white or light beige Whiteness: 100PH ... Staphylococcus aureus, etc.Safty: no harm for human body, no irritation, no pollution to environment and no side-effect to end products. ...