A packaging assembly comprising: a fluid dispenser defining substantially parallel opposite side edges; and a housing having two substantially parallel opposite sides; wherein each side defines an inside wall, with the two inside walls facing each other, and each inside wall is provided with a respective longitudinal groove which extends over at least a portion of the length of the side, the two resulting grooves being parallel, at least a portion of each of the opposite side edges of the dispenser being slidably engaged in the corresponding one of said grooves in the housing, so as to enable the dispenser to be slidably extracted from the housing.