First new drug for hair loss released in South Korea

http://www.koreabiomed.com/news/articleView.html?idxno=10914

The focus on the drug is to create or enhance collagen production.  I was able to find some articles in support of hair growth claims, they are:

https://pubmed.ncbi.nlm.nih.gov/32255530/

https://onlinelibrary.wiley.com/doi/abs/10.1111/jocd.13729 (medication delivered by injection)

https://www.sciencedirect.com/topics/pharmacology-toxicology-and-pharmaceutical-science/dexpanthenol (a review of more articles)

https://www.webmd.com/vitamins/ai/ingredientmono-853/pantothenic-acid-vitamin-b5