An injection apparatus for making an injection at a predetermined depth in skin comprises: a first skin positioning member, a second skin positioning member, wherein the first and second skin positioning members lie or are moveable to lie in an injection arrangement an injection needle and an injection needle movement guide to guide the injection needle for movement from a parking position above the skin, through the lower surface of the second skin positioning member to slide beneath the first skin positioning member to an injection position. A further injection apparatus comprises: an injection needle a plunger within the injection needle and a retractor to retract the injection needle such that material to be injected is expelled from the injection needle by the plunger.
