Straightens With Just One Pass. The fastest straightening iron ever the Bio Ionic Black OnePass Iron is identical to the original OnePass Iron except in a fantastic matte black finish. The OnePass Iron represents a true break-through in straightening iron technology. The OnePass allows users to straighten hair in half the time compared to traditional irons. This is the professional’s #1 choice in irons.Manage and style your hair effortlessly with this ceramic flat iron
Heat control settings let you straight your hair with precision
Silicone strips help promote frizz-free and smooth hair