Helen of Troy 3/4" Rotating Hot Air Brush by Helen of Troy. $22.89. .75" barrel. Rotating barrel for tangle free curls. Flexible, ball-tipped bristles gently grip hair, softly rest against your head. High/low heat settings for all hair types. Cool tip. Removable brush sleeve for easy cleaning. 8-ft. tangle-proof swivel power cord. ProGuard safety plug with test and reset features for Immersion Shock Protection. 250 Watts of Power.. Save 32%!