A fluid dispenser device comprising a body (10), a reservoir (20), a dispenser head (100) incorporating a dispenser orifice (5), and a dispenser member (30) that is mounted on said reservoir (20) by means of a fastener ring (60), said device further comprising a lateral actuator system (40) including an actuator element (41) that is movable between a rest position in which said dispenser member (30) is not actuated, and an actuated position in which said dispenser member (30) is actuated, said body (10) including at least one guide surface (50), said at least one guide surface (50) being stationary relative to said head (100) and substantially parallel to the central axis of the dispenser member (30) said actuator element (41) co-operating with said at least one guide surface (50), said at least one guide surface (50) including resistance means (55) that modify the co-operation between said actuator element (41) and said guide surface (50), in order to be passed over, said resistance means (55) require the user to act on said lateral actuator system (40) with an actuation force that is different.