The present invention relates to a bottle of packaging of liquid comprising a reservoir (2) on which is mounted a dispensing head (4), which comprises an axially movable portion (16) of a pump for drawing off the liquid and a distribution nozzle (12) is integral in displacement of the mobile portion, and through which the liquid is delivered. According to the invention, the bottle includes a cap (6) formed of a covering sleeve (20) of said mobile portion for the actuation of the pump and a removable part (22) of overlap of the vial, said removable portion being held to the said sleeve by a retention device (24) fracture during the first use of the vial.Linvention concerne un flacon de conditionnement de liquide comportant un réservoir (2) sur lequel est montée une tête de distribution (4), laquelle comporte une portion mobile (16) axialement dun système de pompe de prélèvement du liquide et un embout de distribution (12) solidaire en déplacement de la portion mobile et par lequel le liquide est délivré.Selon linvention, le flacon comporte une coiffe (6) formée dun manchon de recouvrement (20) de ladite portion mobile pour lactionnement de la pompe et une partie amovible (22) de recouvrement du flacon, ladite partie amovible étant retenue audit manchon par un dispositif de retenue (24) fracturable lors de la première utilisation du flacon.
