https://www.patreon.com/posts/73811766?utm_campaign=postshare_fan
This combines the platelet rich plasma field
The Platelet Rich Plasma2 Bath - YouTube
with the hair growth booster
Both specifically targeted only to scalp.
An interesting but different workaround similar to an enhanced PRP therapy.
( PRP (platelet-rich plasma) therapy for hair loss is a three-step medical treatment in which a person’s blood is drawn, processed, and then injected into the scalp. )