The issue of using it in PCT is that you are providing exogenous hormones into your system which will throw you off of homeostasis and offset HPTA balance. The reason you use a SERM and test booster is to shift the balance back to producing natural testosterone, and preventing excessive estrogen from causing issues like gyno.
I would not recommend Dermacrine for PCT. It's best used for on-cycle support (reduce lethargy and leaning) or a mild cycle between more suppressive cycles. All you need after a cycle of Dermacrine/Transaderm is an AI like Formastanzol or test booster like HCGenerate. These actually stack well and make for a good natty cycle.
I totally agree with what Milas just said. If you you are on HRT, and still running prohomones, then yes, you can thorw some Transaderm into the mix after you are done with the prohormone/DS. Needto actually recoemmends that people using HRT should cycle with Transaderm. Also, if you are on HRT, you dont need a PCT because you will still be using testosterone form teh HRT..What cycle are you planning on using? I will try to help you out..
I like the PCT, I would add some DAA, unleased, and post cycle to that as well. N2BM DAA is so cheap, it is the best bang for your buck. Make sure you def add that..