A fluid dispenser device comprising: a body (100) that is provided with a dispenser orifice (110) a reservoir (1) containing fluid and a propellant gas and a metering valve (20) that is assembled on said reservoir (1) said reservoir (1) being movable in said body (100) so as to actuate the metering valve (20) and dispense a dose of fluid through said dispenser orifice (110), said metering valve (20) including a valve member (30) that slides in said metering valve (20) during actuation said device further comprising at least one sealing element (40, 41, 42) so as to form a leaktight seal, at least one sealing element (40, 41, 42) of said device comprising COC elastomer.
