Slowpain,
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Says that Winny has a strong affinity for the androgen receptor, and can aggravate hair loss. I would think it would affect MPB is ways similar to drugs like 1test and fina, and if that's the case spiro is your best defense.
I would get a can of the 5% spiro cream and apply that to areas that have the most hair loss, in addition to the 2% spiro solution that you apply 2x per day. You'll also want to use Nizoral eod, as well as a 2x/day application of a 5%minoxidil/5% azelaic acid solution.
dont just use it after your cycle, use it all the time especially while on. If you lose hair while on cycle, chances are you'll lose it naturally over time.
BV