31 citations
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April 2016 in “Nature communications”
Certain signals are important for reducing specific chemical markers on hairfollicle stem cells during rest periods, which is necessary for healthy hair growth.
The study found that a specific area of the hairfollicle helps start hair growth by reducing the blocking effects on certain cells and controlling growth signals.
Hairfollicles can be dormant and potentially revived with treatments like finasteride and minoxidil, but irreversible loss occurs if certain structures are destroyed. Early intervention is more effective, and additional methods like microneedling may help.
PP405 is anticipated as a future treatment for dormant hairfollicles, but its effectiveness and safety are uncertain. Current treatments include oral minoxidil and microneedling, with some avoiding finasteride due to side effects.