Abstract: An apparatus and a method to aid a human being in correctly selecting the site of a medicine injection when that human being is required to take a series of medicine injections on a regular basis. The apparatus comprises a small container which includes a small brush which is attached to a cap. Within the container is to be located an opaque liquid. The cap is to be removed from the container and positioned directly against the site of the current injection and with the brush then contacting the skin leaving an opaque mark to denote the site of the next succeeding injection.