A dispenser comprising a body with an outlet, and a closure for the outlet; - the closure being pivotally interconnected at the body by a first pivotal interconnection such that the closure is movable relative to the body between an open position in which the outlet is open and a closed position in which the closure closes the outlet; - the closure and the body being further adapted for locking engagement with each another in the closed position; - the closure having a locking member that is movable relative to the closure between a lock position allowing for locking the closure with the body in the closed position, and an unlock position providing for unlocking the closure for movement from the closed toward the open position; - the locking member having an actuator for moving the locking member between the lock and the unlock position; - the actuator and the body being arranged relative to the first pivotal interconnection such that a force applied on the actuator relative to the body for moving the locking member toward the unlock position also urges the closure toward the open position; and - wherein the dispenser comprising a container for receiving the material to be dispensed, and a dropper nozzle forming the outlet, and in which the closure comprises a seal for sealing the outlet in the closed position; characterized in that - the locking member is pivotally connected to the closure to form a second pivotal connection, wherein the second pivotal connection forms a first pivot for the locking member; and - wherein the locking member between the first pivot and the actuator comprises a support that is arranged to abut the closure when the locking member is operated toward the unlock position, and thus forming a second pivot for the locking member. - the closure being pivotally interconnected at the body by a first pivotal interconnection such that the closure is movable relative to the body between an open position in which the outlet is open and a closed position in which the closure closes the outlet; - the closure and the body being further adapted for locking engagement with each another in the closed position; - the closure having a locking member that is movable relative to the closure between a lock position allowing for locking the closure with the body in the closed position, and an unlock position providing for unlocking the closure for movement from the closed toward the open position; - the locking member having an actuator for moving the locking member between the lock and the unlock position; - the actuator and the body being arranged relative to the first pivotal interconnection such that a force applied on the actuator relative to the body for moving the locking member toward the unlock position also urges the closure toward the open position; and - wherein the dispenser comprising a container for receiving the material to be dispensed, and a dropper nozzle forming the outlet, and in which the closure comprises a seal for sealing the outlet in the closed position; - the locking member is pivotally connected to the closure to form a second pivotal connection, wherein the second pivotal connection forms a first pivot for the locking member; and - wherein the locking member between the first pivot and the actuator comprises a support that is arranged to abut the closure when the locking member is operated toward the unlock position, and thus forming a second pivot for the locking member.