The disposable antibacterial liner is a skin covering that provides a protective barrier between the skin and the personal protective equipment. The disposable antibacterial liner is a sheath that is worn between the skin and the personal protective equipment. The sheath is treated with an antimicrobial finish that both 1) acts as a prophylaxis that protects the skin from infection and, 2) treats the personal protective equipment 133 with the antimicrobial finish to help keep the personal protective equipment 133 clean. The disposable antibacterial liner comprises a sheath and an antimicrobial finish. Alternate embodiments of the disclosure further comprise a container and perforations within the sheath.