37 Year old male. 6'1" 218 lbs always been healthy. I have more body hair than most, so I use an electric razor to trim my chest and back in the summer time. I have done this for the past several years. I trimmed my back and chest on July 2nd, 2011. For the past few days, the back of my neck, top of my shoulders, and my chest around my collar bones have been very sensitive as if they have a sunburn or razor burn. There is no redness, no bumps, no lesions, etc. My clothing even bothers the skin. Do you know what may be happening?