54 citations
,
December 2014 in “Wound Repair and Regeneration” This study observed that autologous PRP and PDRN injections improved hair thickness and density in women with pattern hair loss, with combined therapy showing greater improvement in thickness than PDRN alone.
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.
October 2023 in “Journal of Advanced Sciences” This review highlights PRF's potential as a regenerative medicine tool, detailing its diverse applications in dentistry, orthopedics, and dermatology, but presents no new clinical results.
3 citations
,
December 2016 in “Blood” This study found PRP treatment significantly increased hair count and anagen hairs in male patients with androgenetic alopecia, but there was no correlation between therapeutic response and platelet or growth factor levels.
1 citations
,
June 2022 in “Journal of Wrist Surgery” In this pilot study on treating dorsal wrist ganglion, PRP injection showed limited effectiveness at 1-year follow-up compared to aspiration alone, with most PRP-treated patients experiencing ganglion recurrence, suggesting that an RCT would need at least 46 patients per group to further assess PRP's utility.
151 citations
,
December 2004 in “Neuropharmacology” Progesterone reduces anxiety without needing progesterone receptors.
December 2022 in “Plastic and Reconstructive Surgery” In this study, PRPF treatment was more effective than PRP alone in improving hair count and hair quality in androgenetic alopecia patients, with PRPF showing significant improvements in various hair growth parameters and having no statistical differences observed in the placebo group.
January 2018 in “Journal of dermatological research” This review analyzes existing data and proposes a study design to evaluate the effectiveness of standardized PRP techniques for treating androgenetic alopecia, but reports no new clinical results.
June 2026 in “Journal of Cosmetic Dermatology” PDRN may help with female hair loss, but more research is needed.
1 citations
,
April 2018 in “Journal of Investigative Dermatology” In this study, researchers found that the variability in growth factor expression, particularly TGFβ1, in PRP samples could influence patient responses to hair loss treatment with PRP therapy.
June 2025 in “Aesthetic Cosmetology and Medicine” This article reviews the potential uses of PDRN in regenerative and aesthetic medicine, noting promising results in various treatments but highlighting the need for further long-term studies to confirm their safety and effectiveness.
16 citations
,
July 2018 in “Dermatologic Surgery” In this study, iL-PRF injections produced significantly better clinical scores for androgenetic alopecia patients compared to controls, especially in those with more severe baseline conditions.
January 2016 in “Hair transplant forum international” This abstract discusses platelet-rich plasma, focusing on its composition and potential to stimulate cellular repair and regeneration, but reports no new research findings.
August 2016 in “Anaplastology” This study reports that controlled release PRP therapy using dalteparin and protamine micro-particles may be effective for hair growth and skin rejuvenation in women.
45 citations
,
September 2018 in “International Journal of Women's Dermatology” This review discusses the use of platelet-rich plasma as a treatment for androgenetic alopecia and highlights the need for standardized protocols, reporting no new clinical results.
October 2025 in “Clinical Case Reports” This case report challenges the traditional view by documenting reversible vision loss following scalp injections of platelet-rich plasma, attributed to an inflammatory or microvascular event, treatable with corticosteroids.
3 citations
,
January 2005 in “Biological & Pharmaceutical Bulletin” This study reports that the peptide GPIGS, found in Bacillus sp. M18 conditioned medium, may promote hair growth through the PI-3K/Akt pathway and accelerate hair regrowth in mice.
57 citations
,
May 2016 in “Journal of Dermatological Treatment” This analysis suggests that platelet-rich plasma therapy may be promising for treating androgenetic alopecia, but further controlled trials with standardized measures are needed to confirm its efficacy.
This chapter reviews procedural hair restoration techniques, including platelet-rich plasma and hair transplantation, and reports no new clinical findings.
1 citations
,
November 2020 in “Journal of The American Academy of Dermatology” This study highlights criticisms of existing research on PRP as a treatment for androgenetic alopecia, noting small sample sizes, lack of controls, subjective result analysis, and varied methodologies.
83 citations
,
November 2006 in “European Journal of Neuroscience” This study found that progesterone protects rat Purkinje cells during oxygen-glucose deprivation by activating GABA A receptors through its metabolite, allopregnanolone.
5 citations
,
March 2022 in “Frontiers in Medicine” This review analyzed 17 recent clinical trials on platelet-rich plasma for androgenetic alopecia but reports no new clinical results; the authors seek a consensus on optimal PRP use.
21 citations
,
February 2023 in “Bioengineering” This review outlines current European legislation and manufacturing standards for platelet-rich plasma (PRP) products and provides guidance for clinicians implementing autologous PRP treatments, without reporting new clinical results.
4 citations
,
April 2024 in “Cellular and Molecular Biology” In this study, injectable platelet-rich fibrin (i-PRF) was found to enhance the proliferative, migratory, and hair-inducing abilities of dermal papilla cells more effectively than platelet-rich plasma through the TGF-β/Smad pathway.
7 citations
,
December 2008 in “Journal of Dermatological Science” Progranulin overexpression leads to shorter, thinner hair and increased cell death in mouse hair follicles.
2 citations
,
July 2005 in “International Joint Conference on Artificial Intelligence” This study suggests that EREG, released from ORS cells, may promote hair growth by activating specific receptors and modulating ROS generation, offering a potential new treatment for hair loss.
9 citations
,
October 2017 in “Frontiers in plant science” This study found that the peach gene CTG134 mediates auxin-ethylene crosstalk, affecting root hair growth and hormone-regulated processes in plants.
1 citations
,
January 2021 in “Indian Dermatology Online Journal” This expert group provided recommendations for preparing and using platelet-rich plasma in treating androgenetic alopecia, suggesting a manual double-spin method and specific dosing, although further studies on injectable platelet-rich fibrin are needed.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This review discusses the evidence for platelet-rich plasma as a promising treatment for androgenetic alopecia, highlighting its potential benefits and favorable safety profile but noting the need for standardized protocols and larger trials.
91 citations
,
May 2003 in “American Journal of Pathology” This study found that prolactin and its receptor are expressed in the murine hair follicle epithelium, influencing hair cycle phases by down-regulating keratinocyte proliferation during anagen and inducing premature catagen.