i have recently started working with a personal trainer at my gym. Not too long after, I started getting these bumps all over my upper back and chest. I was told by a cosmetologist that it was an allergic reaction to something, but I don't think that is the problem. I have tried to scrub them away with exfoliation and that has not worked either. I really think I need to see a dermatologist but was hoping for some feedback from someone who has the same problem, or someone who knows what I'm dealing with.