No. Fina and duta inhibit 5 ar emmzyme which converts test to dht. It wont effect dhts you introduce. Tren isnt even a dht based roid. The thing is fina or duta will only help prevent the hair loss the test in you cycle would create. You are using tren, super androgenic, and mast, a dht. These are both hard on the hair. You might be better going with a topical anti androgen like topical spiro & a nizoral shampoo. You could use them with the fina if you wanted. BTW I recommend dutasteride over finastedie. It inhibits both 5-ar isoenzymes, fina just one. Duta is more effective at half the dose compared to fina.
Bottom line is the things I mentioned will help but if you are prone you will lose some hair prabably, you can just work minimize it if you so desire.