I wish there were a forum for urine therapy and women's hormones. I've seen mention of women trying it for fertility and PCOS - of which thinning hair is a symptom. I think this is a really interesting subject.
I have to say...
I hadn't had a period in a half year, am having a fairly late menopause anyway...
And bam! A month after starting UT, I had a full fledged period.
So it definitely affects hormones, and I think it's a great idea to try oral UT for your receding hairline. The hormones contained in the morning urine are doubtless what does the balancing.