Disclosed is a brush-like device and related manufacturing method. The device includes at least a handle head portion obtained by way of plastic material moulding on a terminal portion of a metal stem on which bristles of the brush are fixed, the terminal portion of the stem being retained in the moulding position by a through seat of a mould which closes on the stem, and wherein, prior to the moulding of the head portion, it is provided to apply a covering sheath of elastically yieldable material on the terminal portion of the stem, the sheath being of elongate tubular shape having a length of at least 2.5 mm.