Accessory structure for a tattoo machine, comprising supplier means (10) and/or means (8) for supplying and/or ejecting a detergent liquid (11) with a nozzle (9) applied using holding means (6) near the colouring needles (4) with reciprocating motion or provided terminating therein, said supplier means (10) and/or ejector means (8) being supplied by a detergent liquid reservoir (13) and pumping means (16, 17, 18) actuated by the operator.
