Were you on any medications ? I have the same issue lately and I have started a new medication lately and was wondering if that is causing it.
I think they are sweat stains. Mine do that to but they arnt pink they are more of a dark color. after you put it in the dryer though its not going to come out.I licked bleach that was on my hands on accident..
I think they are stains from a deodorant or antiperspirant. Have you changed brands?How to remove large amounts of hairspray from upholstery?
ooo thats bad. o_o
is there a way to get it out though???
Well depending on the color of your shirt,You might be able to bleach it out.