I was away in Mexico and got sun burned on shoulders, chest and stomach. This was 4 days ago, I went to the gym today, sweated alot during exercise and now have tiny blisters on my stomach, they are a bit itchy, should I apply bacitracin zin ointment or Silver Sulfadiate cream or pure vitamin E oil? not sure what to do...shoulder skin is peeling, what should I use on this area? I am 46 years old, healthy and weigh 110 pounds, 5'3.