The question of the permissibility of tattoos has always been contentious in the context of Abrahamic religions, but it was early Christianity, forming its doctrine at the intersection of Jewish traditions and opposition to the pagan world, that developed the strictest stance regarding body markings. For the modern person, who perceives a tattoo as a form of art or personal expression, the reasons for this historical prohibition may seem unclear. However, if one delves into the theological, cultural, and historical context of the first centuries AD, it becomes evident that the rejection of tattooing was not merely an aesthetic choice, but a critically important element of self-identification and the defense of doctrinal purity.