11 citations
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November 2015 in “Skin Research and Technology” This study found that individuals with patterned hair loss, both male and female, showed a slower linear hair growth rate compared to controls with hair of equal thickness.
7 citations
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September 2014 in “European Journal of Dermatology” This study found a significant positive correlation between hair thickness and growth rate, with a notably slower growth rate observed in men with male pattern hair loss compared to healthy controls.
4 citations
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August 2020 in “Journal of Cosmetic Dermatology” In this study, QR678® and QR678 Neo® injections significantly improved hair density and thickness in women with PCOS-related alopecia over eight sessions, with effects lasting over a year.
April 2026 in “Journal of Dermatological Treatment” This study concluded that in female pattern hair loss patients, CGF and i-PRF treatments were more effective than PRP in increasing target area hair count, with i-PRF having the lowest adverse event rate.
February 2021 in “Dermatologic Therapy” This study concluded that intralesional lyophilized growth factor injections are safe and improve trichoscopic hair parameters and clinical scores in patients with female pattern hair loss.