The present invention relates to a wound dressing comprising an absorbent core, a facing layer, and a backing layer, wherein the absorbent core is located between the facing layer and the backing layer, and wherein the wound dressing further comprises an antimicrobial substance. It turned out that the amount of an antimicrobial substance which is transported from these wound dressings into the wound is entirely uncontrolled and thus the antimicrobial not always fulfils its desired function. While too much of an antimicrobial substance may irritate the wound site, too little of the antimicrobial substance may have no or little effect at the wound site. It is therefore an object of the present invention to provide a wound dressing enabling an improved application of an antimicrobial substance to a wound. In order to solve this object a wound dressing is suggested comprising an absorbent core, a facing layer, and a backing layer, wherein the absorbent core is located between the backing layer and the facing layer, wherein the wound dressing comprises an antimicrobial substance, and wherein the wound dressing further comprises a barrier layer which when in use is located between a wound and the antimicrobial substance, wherein the barrier layer is arranged such that when the wound dressing is laid onto a wound the barrier layer introduces a time delay in the transport of liquid from the wound towards the antimicrobial substance.
