Qingdao Sigma Chemical Co., Ltd (International, US, EU, Canada and Australia domestic

Whats the point of steriods? Harmful and you just deflate when you come off them? Anything positive long term when you come off them?
 
Cracked off the lid on a QSC primo vial. The rubber stopper had a damp like surface as if there was a little liquid on it, despite vial not being opened before.
Is it safe to pin with a lil alcohol or should it be binned?
 
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