He Shou Wu (Fo Ti) extract was found to prolong the hair growth phase, inhibit 5-alpha-reductase (like finasteride), reduce androgen receptors, and increase growth factors, potentially outperforming minoxidil in recovering hair follicle size after DHT exposure. Two compounds, emodin and TSG, are identified as responsible for these effects and warrant further investigation.
HairClone is developing cell replacement treatments to rejuvenate and generate hair follicles, and has launched a crowdfunding campaign. A user expressed skepticism about the need for crowdfunding.
Low-level laser therapy (LLLT) stimulates hair growth but current devices are expensive. A proposed non-profit project aims to create affordable, 3D-printed LLLT devices and collect data on their effectiveness.