You just need to watch the video i posted
It is measured with a computer, as Dr naughton explains.
As I understand it the 10% increase is in vellus hairs (which can also then eventually becomes terminal hair at a later time point).
Presumably it either revives vellus hair (the ones smaller than visible by computer), to the point where the computer can now see it. Or possibly it encourages de-novo vellus hair, it's one of the two.
The 20% increase are current vellus hairs that have been converted to terminal hairs.
So looking at it that way, it makes perfect sense to me.
'Hair count increase ranges from the 20s to the 60s', Dr Naughton exp
So that is from
+20% to +60% increase! (with an actual terminal hair count increase
around 45%-55% in the pictures shown)
Also remember this is just the Primary Efficacy stage, so more studies will be done I expect, hopefully to further increase efficacy. Probably by doing more injections.
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