Bottle of packaging of a liquid to be distributed dropwise comprising a wall tank with elastically reversible deformation by admission of air into said tank by means of a distribution head through which the liquid is supplied under the effect of a pressure exerted against said wall, wherein said distribution head comprises a hollow body insert, whereby it is mounted tightly on a neck of the bottle, in communication with said tank, and a distribution nozzle that protrudes in prolongation of said body on the outside of the bottle that is perforated by a central channel that flows through an orifice of expulsion of the liquid, as well as an antibacterial filter membrane, partially hydrophilic and partially hydrophobic, which is mounted through said insert at the base of said nozzle, to allow the passage of liquid in the direction of distribution and in the opposite direction the passage of l air called to compensate, in the bottle, after a liquid distribution, said insert containing a porous buffer regulating the flow of liquid that passes through it in the direction of the membrane, characterized in that the insert (4) is terminated in the interior of said tank, beyond said buffer, by a base that forms longitudinal arches (13) that support a central tablet (11) which has between them open passages of a radial circulation, towards the periphery of the tank, to the air that enters the bottle after passing through said buffer.Frasco de envasado de un líquido a distribuir gota a gota que comprende un depósito de pared con deformación elásticamente reversible por admisión de aire en el interior de dicho depósito por medio de un cabezal de distribución por el cual el líquido está suministrado bajo el efecto de una presión ejercida contra dicha pared, en el que dicho cabezal de distribución comprende un inserto de cuerpo hueco, por el que se monta de manera estanca en un cuello del frasco, en comunicación con dicho depósito, y una boquilla de distribución que sobresale en pr
