I'll give you the summary; It worked very well for him BUT he experienced side effects like he did when on fina so he quit.
Why is everyone answering on behalf of someone who is a complete stranger to them?
He is 29 when he first experience his balding, his dad is NW6 at 68. His brother is Norwood 5 at 39.
So he was lucky to have FULL Thick Norwood 0 hair until he was 28. However by 29 you could see the thinning in the middle and back. His hairline is no longer a Black chalk line some Maori person would have.
I can see gaps in his hairline and that was no other than male pattern baldness.
We didn't took any photos because by this time I had stop taking any med myself as I was fairly depressed with finasteride side effects.
I didn't want to recommend my mate the finasteride, because of the side effect.
However RU was still hard to get back in 2015 so I told him I got nothing.
Than in mid to late 2015 on {Hairlosshelp.com} someone mentioned you no longer have to mix them yourself and do the measuring.
So I bought it together 6 bottles and to split between me and him.
I'm around nw2.5 and would maintained that with slightly thicker hair.
However he was NW2 - tinning everywhere almost back to NW0 and regain all his hairlines. However the hairlines wasn't as Thick black line like before but you could not tell he had 1% of hairloss.
Took less than 6 month to less to reverse all of it. He was derm-rolling once a week. Used the 5% with KB solution.
Also use Lipogaine in the night before bed. in conjunction with RU. Only RU in the morning.
However he has tapered off these drug as he got fairly lazy with routine and barely a few time a week of RU.
He has even loss some of the gain however you could still not be able to tell he really had any hairloss. Unless it was in the broad daylight and you looking very closely over his head from top view.