US Patent 9439493 Hair dryer and smoother

Apparatus (10) for drying and smoothing hair is provided. The apparatus (10) generally comprises a hair-treatment device (16), a vacuum assembly (20) and a blower assembly (22). The hair-treatment device (16) includes a passage (64) for directing a drying-air stream (66) generated by the blower assembly (22) toward the hair of a subject, and a passageway (76) for directing a return-air stream (74) away from the subject's hair under a motive force supplied by the vacuum assembly (20). The device (16) further includes a smoothing element (42) having a surface (52) against which the hair may be contacted to achieve smoothing of the hair.