Abstract: A device for applying a cosmetic product, such as mascara, intended to be associated with a mascara reservoir. The device comprises a handling cap, forming a cap and a means for holding, moving and manoeuvring the application device, a rod portion having a main direction, a first end where it is associated with the handling cap and a second end section including a second end portion that terminates it, an application portion extending along a main axis, including a support member having two ends, provided with radial application members, hingedly mounted in an articulation zone and by articulation means on the rod portion at its second end portion, about a pivot axis, so that it can occupy a centred position and an extreme inclined position and be pivoted from one to the other, the articulation zone, the articulation means and the pivot axis being located in the median section of the support member, spaced from each of its both ends.