Face shield are the unmistakable plastic gatekeepers secures eyes and face, simpler to wear and a group of specialists state face shields may supplant masks as an increasingly agreeable and progressively successful obstacle to COVID-19 . Face shields are useful in stopping respiratory droplets from speading from the wearer to others . The droplets, which come into contact with the shield, are quickly spread over a large area, both transversely and vertically, over the shield, but with a shrinking concentration of droplets, as opposed to face masks, which appear to slide under the nose of the wearer or, worse, collapse entirely off the shield . Hence, a face- shield can be considered as personal protective equipment (PPE), which is a first line of resistance, utilized by the clinicians and forefront health workers for protection against the infectious body fluid and aerosols . Face-shields are mainly fabricated using polycarbonate material, because of their excellent optical transparency in UVA-visible-IR spectrum and mechanical properties . The goal of this article is to provide researchers working in the same area, as well as health and industrial staff, with a detailed analysis of the usage of face shields against bioaerosols and the need for personal security . The reviews main focus on the background of the face shield, provide assistance in the selection, its design and structure, applications, advantages and disadvantages . Lastly, people's view about the usage of face shield as it becomes an essential part of human beings like an accomplice during this current pandemic situation.