Need help on this hairfall

https://timesofindia.indiatimes.com/life-style/beauty/the-science-of-a-hair-growth-serum-whats-actually-happening-under-the-cap/articleshow/132849885.cms

Thoughts guys?
Coming from east we were always big on Emami Kesh king oils. Can I trust this?

https://amzn.in/d/08DIZwKd