In one embodiment, hair appliance is provided in which non-heated gas flow is directionally applied automatically to hair after application of a heat treatment. In another embodiment, a compressed gas source is used in conjunction with the hair appliance. The directional application of the non-heated gas is based upon the orientation of the hand held hair appliance. In one embodiment, the directional gas flow of the non-heated air is configured to provide the non-heated gas flow to a user's hair at the location at which the user's hair exits engagement with the hair appliance. In one embodiment a compressed gas source is integrated with a hand held hair appliance. In another embodiment, a hair appliance system is provided in which the compressed gas source is external to a hand held hair appliance.