Antiacne Effects of PVA/ZnO Composite Nanofibers Crosslinked by Citric Acid for Facial Sheet Masks

Table 1

Size of the clear zone in mm about each bacterium.

Samples	E. coli	S. aureus	C. acnes
PVA	—	—	—
PVA/ZnO 1%	—	—	—
PVA/ZnO 4%	—	1.5 mm	—
PVA/ZnO 7%	—	1.5 mm	2.25 mm