A product dispenser with a reservoir for a product and a cap. The cap has a first assembly and a second assembly. The first assembly can include a button configured to dispense the product through a lower end orifice of the pipette, when the button is actuated. The second assembly can include a pipette rigidly connected and in fluidic communication with a chamber configured to change its volume depending on the movement of the first assembly relative to the second assembly and the movement of the button.