Does green tea or pumpkin seed oil block DHT and fix miniaturized hair?

The follicle is about 1/4" inch deep. I would say you should see regrowth in 3 weeks if it's going to work. I would look into Youth-if-I (or similar) hair vitamins and Nigella sativa (aka black seed) for its autoimmune help. You want to give the hair follicles all you can to support them....

The effectiveness of Propecia and Minoxidil may not continue if the cause of your hair loss increases its voracity. 

Hair dye can be dangerous and cause permanent damage to the hair roots causing permanent hair loss when it is not used properly. There are warnings labeled on all such products

So both of these medicines are not perfect.   Propecia/finasteride is only 60% effective.  It has a very short half life meaning it only works part of the day and it only blocks one of the three DHT receptors in the body. Rogaine only works for about 30% of people, mostly very...

For some women estrogen patches and topical estoegen may stimulate hair growth. For others it does not and yet for others it triggers hair shedding and hair loss. One would need more information and to understand the entire profile of hormones to really offer more concrete advice. But certainly ...

If this is an infecion, it is chronic if it has been going on for 6 months. See a doctor and get examined. From that, a diagnosis can be formed.