So in terms of stuff Bryan Johnson *is* taking, fisetin may be having more of an impact on his hair than he gives it credit for...
>Senolytic treatment with fisetin reverses age-related endothelial dysfunction partially mediated by SASP factor CXCL12
>https://www.biorxiv.org/content/10.1101/2025.08.13.670216v1.abstract
Topical strawberry extract *probably* grows hair.