A fluid dispenser comprising: a fluid reservoir (12) defining at least one actuating wall (21) suitable for being displaced; a dispensing orifice (41); and spring means (7) suitable for loading the actuating wall into a state in which the volume of the reservoir is at its maximum; said fluid dispenser being characterized in that the spring means (7) co-operate with cocking means (11) suitable for bringing the spring means to a state loading the actuating wall from an initial state in which the spring means do not load the actuating wall.