Abstract: The packaging comprises a first bottle (1) open at the base to form a skirt (3), and fitted at the top with a distributor fitting (7); an intermediate component (8) affixed to the base of the first bottle with a central duct (9) admitting a separable plug (10); a second bottle (2) with a neck (24) admitted in the aforesaid central duct (9), the neck being fitted with a cap (25) for storage purposes. Linking means (L) are provided between the neck (24) and the cap (25). The packaging comprises between the neck ()24) and the central duct (25) connecting elements (J) differing from the aforesaid linking elements (L), with a part (28) on the neck (24) and on the central duct (9) an associated part (29) arranged so as not to interfere with the part (26) of the aforesaid linking means (L) located on the neck (24).