A printing head for flexographic printing on thin-walled objects not exhibiting a perfectly smooth surface, the printing head comprising an inking roller, which rotates on contact with a flexographic printing plate borne on a printing plate bearing roller, in which the printing head comprises a roller bearing a transfer surface which rotates on coming into contact with the printing plate, the transfer surface being a perfectly smooth and faultless surface and being made of a material that is more yielding than a material of which the flexographic printing plate is made.