Bottle of packaging of a liquid to be distributed dropwise comprising a reservoir for receiving a liquid without a preservative agent, said reservoir having an elastically reversible deformation wall by the admission of air into the tank through a distribution head whereby the liquid is supplied under the effect of a pressure exerted against said wall, - wherein said liquid distribution head comprises a booth (13), which is mounted tightly in the bottle, as well as a dropper nozzle (1) that extends it to the outside of the bottle and that it is perforated by a central channel (3) that flows through an orifice of expulsion of the liquid, - and in which an antibacterial filter membrane (6) mounted on the base (4) of said nozzle, between this and said cabin, is interposed through the circulation of the air arranged to enter the bottle after a liquid distribution； characterized in that, selectively, said dropper nozzle (1) located beyond said antibacterial filter membrane, with the exclusion of said cabin (13) is made of a material containing a bactericidal agent that has a bacterial proliferation prevention effect on the surface of the material, and characterized in that the nozzle (1) is made of two pieces comprising a body (12) and a central core (7), said central core being inserted in the central channel of the nozzle and comprising a plurality of subchannels in order to define the liquid ejection circuit through said body, said body and said core being both made of materials containing bactericidal agents.Frasco de envasado de un líquido a ser distribuido gota a gota que comprende un depósito de recepción de un líquido sin agente conservante, siendo dicho depósito con pared de deformación elásticamente reversible por admisión de aire en el interior del depósito por medio de un cabezal de distribución mediante el cual el líquido se suministra bajo el efecto de una presión ejercida contra dicha pared, - en el que dicho cabezal de distribución del líquido comprende u
