A fluid dispenser device including a fluid dispenser member (10) such as a pump or a valve, and a dispenser head (20) provided with a dispensing orifice, the fluid dispenser device is provided with dispensing detector mechanism (30, 31) for detecting dispensing of a dose of fluid, the detector mechanism (30, 31) adapted to deliver a signal for informing the user that a dose of fluid has indeed been dispensed by the pump, the detector mechanism including a detector (30) for detecting the fluid going from the dispenser member to the dispenser orifice.