I had a nasty shed(for me) of at least 100 hairs per day. I was getting thick scalp sebum secretions as well. I started using RU58841 and within 2 days, the shed was down to maybe 20 hairs. The gunk dried up in another 2 days and the shed was over.
Your case is obviously far more severe. So I'm...
Topical DHT blocker. RU58841, Rosemary Oil, Azelaic Acid.
RU is the strongest by far and what I'd suggest. The other two put together probably don't block 1/3 as much. But almost anything would help in your case.
So many people come on forums and say "Is it stress!? Is it Telogen Effluvium?" and about 95% of...
You need more than finasteride for this.
It's like finding out you have stage 3 cancer and then being like "I'll start eating vegan".
That's not gonna cut it.