maybe I learned my lesson the hard way about starting out slow and not just painting a bunch of gear all at once. I have been training and cycling for over 20 years and I also work a medical field so I'm always careful. I started using a brand new source for my testosterone enanthate and I injected a large amount and I had a huge red welt form on my skin. I guess I'm allergic to the carrier Oil. This is a lesson don't inject a large amount in gear when you start using a brand new brand