Patch Tests: Any allergy test has to be correlated with clinical findings. In other words, do you have any allergy symptoms when you use your present lotion or other products with propylene glycol in them. If you have no reaction, then the positive patch test is not significant. If you do have symptoms then it is significant. I have positive testing to grass but have no symptoms, so I'm not really allergic
Answered 3/25/2016
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