Does Tattoos Affect Your Workout? Well, Yes! Tattoos has the ability to permanently alter the way your skin sweats. According to a new study, the amount of salt that is exerted with sweat has changed after the skin has been inked, this finding has caused some implications for athletes who have large ink swaths on their bodies, and even maybe for those of us who do not showcase their discreet tattoos. (such as the one found on my upper right shoulder, in case you are wondering).