Plaster dispenser having a dispenser housing and at least one plaster refill unit arranged in the dispenser housing, - wherein the plaster refill unit has a receiving box and at least one plaster bundle which is fixed in a box interior of the receiving box and has several individual plasters which are removable from the plaster refill unit at an open removal side of the receiving box in removal direction, - wherein the at least one plaster refill unit is arranged in a dispenser interior of the dispenser housing in a way so as to be removable therefrom in removal direction, - wherein the at least one plaster refill unit is releasably fixed in the dispenser interior by means of at least one form-fitting form lock, wherein a first form lock part formed on the receiving box and a second form lock part arranged resiliently in the dispenser interior engage form-fittingly with one another transversely to the removal direction such that the plaster refill unit cannot be removed from the dispenser interior when the form lock is closed and can be removed when the form lock is open, characterised in that - the first form lock part is formed by an engagement opening in an outer wall of the receiving box and the second form lock part is a tongue-like and resilient tongue region on which an engagement nose is formed, - the tongue region is formed on a dispenser wall of the dispenser housing delimiting the dispenser interior and the engagement nose is arranged within the dispenser interior, - the engagement nose engages form-fittingly in the engagement opening transversely to the removal direction, and - the engagement between the engagement nose and the engagement opening is not releasable from the outside without further means. - wherein the plaster refill unit has a receiving box and at least one plaster bundle which is fixed in a box interior of the receiving box and has several individual plasters which are removable from the plaster refill unit at an open removal side of the receiving box in removal direction, - wherein the at least one plaster refill unit is arranged in a dispenser interior of the dispenser housing in a way so as to be removable therefrom in removal direction, - wherein the at least one plaster refill unit is releasably fixed in the dispenser interior by means of at least one form-fitting form lock, wherein a first form lock part formed on the receiving box and a second form lock part arranged resiliently in the dispenser interior engage form-fittingly with one another transversely to the removal direction such that the plaster refill unit cannot be removed from the dispenser interior when the form lock is closed and can be removed when the form lock is open, characterised in that - the first form lock part is formed by an engagement opening in an outer wall of the receiving box and the second form lock part is a tongue-like and resilient tongue region on which an engagement nose is formed, - the tongue region is formed on a dispenser wall of the dispenser housing delimiting the dispenser interior and the engagement nose is arranged within the dispenser interior, - the engagement nose engages form-fittingly in the engagement opening transversely to the removal direction, and - the engagement between the engagement nose and the engagement opening is not releasable from the outside without further means.