"if they deliver good results on any other applications there is...

"if they deliver good results on any other applications there is a huge amount of upside."

I was wondering which good results you are hoping for?
vitiligo has not materially progressed for a decade
XP seems to have stalled due to lack of efficacy in preliminary participants
topical melanocortins have not yet been tested on animals and we still can't get the US patents
the n=9 volunteer trial failed to demonstrate an increase in DNA repair
The sixth indication has not been announced despite first hearing about it 3 years ago. US neuro patent not granted, a number of final rejections received
EU AIS trial is too small for any conclusion to be reached, results may never be released
ACTH is a pipe dream. Clinuvel is too hopeless to capitalise even if they could get it approved.
EPP topline growth is effectively stalled at a level which doesn't justify todays share price.