A hair styling appliance includes a base including a mount and a removable reservoir configured to take up a disconnected position in which the reservoir is away from the mount and an operating position in which the reservoir engages fluidically with the mount, a portable unit remote from the base; a line that fluidically connects the base and the portable unit; wherein the base also includes a detection system having a detector configured to detect the passage of the reservoir from the disconnected position to the operating position.