Hello and welcome to Living With PsA! I’m sorry to hear about your daughter’s issues with hair loss - hopefully some of our many helpful members will see this and offer some advice. In the meantime, I made a search through previous discussions posts on this forum (using the Search Icon in the top right of the white bar).
These are all the results I found for “Hair” and I have noticed that at least a few of the topics do mention hair loss:
https://discussion.livingwithpsoriaticarthritis.org/search?q=hair%20category%3A14
I hope this helps - and I wish your daughter the best of luck!