4 citations
,
October 2019 in “Skin appendage disorders” This study found that autologous activated PRP injections significantly increased hair density in patients with androgenetic alopecia, with patients reporting high satisfaction and few side effects.
12 citations
,
March 2019 in “Journal of Cosmetic Dermatology” This study found that platelet-rich plasma may effectively increase hair follicle numbers in men with androgenetic alopecia, but changes in hair thickness plateaued after the second injection.
5 citations
,
December 2018 in “Journal of Cosmetic Dermatology” This study found that after treatment with platelet-rich plasma, male androgenetic alopecia patients showed significant improvements in hair count, hair diversity, and reduction in certain dermoscopic features.
14 citations
,
November 2018 in “Journal of Cosmetic Dermatology” In this study, patients with androgenetic alopecia treated with platelet-rich plasma showed increased hair density and improved hair quality over six months, with no notable adverse effects, indicating that PRP may be an effective treatment option for this condition.
16 citations
,
October 2018 in “Biochemical and Biophysical Research Communications” In this study, sildenafil was found to enhance human dermal papilla cell proliferation and promote hair growth in mice, suggesting potential use in alopecia treatment.
57 citations
,
October 2018 in “Journal of The American Academy of Dermatology” This study found that platelet-rich plasma significantly increased hair count, density, and the percentage of anagen hairs in patients with androgenetic alopecia, but these improvements did not correlate with platelet or growth factor levels.
53 citations
,
July 2018 in “Journal of cosmetic dermatology” This review summarizes clinical and comparative trials on platelet-rich plasma in dermatology and concludes that while PRP shows significant improvements, more randomized controlled trials are needed to confirm its effectiveness for widespread use.
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.
46 citations
,
May 2018 in “Dermatologic Surgery” In this study, subdermal platelet-rich plasma injections significantly increased hair count and shaft caliber in individuals with androgenetic alopecia, with monthly treatments potentially offering greater benefits.
1 citations
,
May 2018 in “Journal of Evolution of medical and Dental Sciences” This study assessed the safety, efficacy, and feasibility of platelet-rich plasma injections in treating androgenetic alopecia, but it reports no clinical results.
25 citations
,
April 2018 in “Journal of Cosmetic Dermatology” This study found that platelet-rich plasma injections improved hair density and diameter in women with androgenetic alopecia not responding to other treatments over 24 weeks, with no adverse events reported.
4 citations
,
February 2018 in “Journal of Cosmetic Dermatology” This study found that platelet-rich plasma injections increased hair diameter in the treated Pakistani population, with significant improvements observed in both men and women.
24 citations
,
January 2018 in “Journal of Visualized Experiments” In this study, 23 patients with androgenetic alopecia were treated with non-activated autologous platelet-rich plasma (A-PRP) administered through interfollicular injections, but the abstract provides no results of the treatment's effectiveness.
17 citations
,
January 2018 in “Journal of cutaneous and aesthetic surgery” This article discusses various issues and controversies in hair transplantation, including ethical considerations, the debate between follicular unit transplantation and excision, the concept of a safe donor area, the use of platelet-rich plasma, and the minimum qualifications needed for practitioners.
6 citations
,
January 2018 in “Journal of Cutaneous and Aesthetic Surgery” This study concluded that ACD-A vials yielded the highest quality and quantity of platelets in platelet-rich plasma for hair rejuvenation compared to EDTA and sodium citrate.
41 citations
,
December 2017 in “Lasers in Medical Science” This study found that low-level laser therapy may significantly improve androgenic alopecia in both men and women, either alone or alongside treatments like minoxidil and finasteride.
24 citations
,
November 2017 in “Aesthetic Plastic Surgery” In this study, researchers found that homologous PRP (h-PRP) significantly increased hair density more than both nonactivated (n-PRP) and activated (a-PRP) autologous PRP in patients with androgenetic alopecia, suggesting h-PRP as a potentially more effective treatment option for hair loss.
36 citations
,
August 2017 in “Journal of Cosmetic Dermatology” In this study, patients with mild to moderate androgenetic alopecia who received platelet-rich plasma injections with microneedling showed improvements in hair growth and thickness, as well as high satisfaction, over a three-month period compared to conventional therapy non-responders.
348 citations
,
July 2017 in “Skin appendage disorders” This review discusses the use of platelet-rich plasma in dermatology for various applications such as tissue regeneration and wound healing, but it reports no new clinical results and calls for clearer guidance on suitable treatments.
52 citations
,
May 2017 in “Journal of Cosmetic Dermatology” This study found that platelet-rich plasma injections significantly improved hair density, thickness, and patient satisfaction in women with female pattern hair loss compared to a placebo.
178 citations
,
April 2017 in “Journal of The American Academy of Dermatology” This systematic review and meta-analysis found that minoxidil, finasteride, and low-level laser light therapy significantly improve hair growth in men with androgenetic alopecia, while minoxidil is also effective for women, compared to placebo.
70 citations
,
February 2017 in “Dermatologic Surgery” This study reports that plasma rich in growth factors appeared to improve hair follicle regeneration and patient satisfaction in individuals with androgenetic alopecia, though further trials are needed.
136 citations
,
February 2017 in “International Journal of Molecular Sciences” This study observed that autologous platelet-rich plasma treatment improved hair count and density in areas with androgenetic alopecia compared to placebo, with differing outcomes based on the PRP collection device used.
27 citations
,
January 2017 in “Indian Dermatology Online Journal” This study found no significant benefit from PRP injections for treating androgenetic alopecia in men, highlighting the need for larger, well-designed trials to assess its effectiveness and safety.
33 citations
,
January 2017 in “Journal of Cutaneous and Aesthetic Surgery” This study found that PRP injections improved hair density, quality, and thickness in males with androgenic alopecia compared to placebo, with reported high patient satisfaction and no major side effects.
20 citations
,
September 2016 in “Indian Journal of Dermatology, Venereology and Leprology” Platelet-rich plasma treatment significantly increased hair diameter and density, stopped hair fall, and boosted hair growth in men with hair loss, with no reported side effects.
87 citations
,
September 2016 in “Dermatologic Surgery” This study found that platelet-rich plasma did not significantly improve hair mass index or hair count in women with female androgenetic alopecia, though some patients perceived benefits in hair quality.
61 citations
,
September 2016 in “Journal of Cosmetic and Laser Therapy” This study found that platelet-rich plasma was not effective in treating androgenetic alopecia in men with grade 4–6 hair loss.
136 citations
,
April 2016 in “Dermatologic Surgery” This study found that platelet-rich plasma significantly increased hair density and anagen hair proportions in androgenetic alopecia patients, suggesting potential as an adjuvant therapy.
101 citations
,
January 2016 in “Journal of Cutaneous and Aesthetic Surgery” This review discusses various classification systems for patterned hair loss in both sexes and reports no new clinical findings, highlighting the Hamilton-Norwood and Ludwig systems as the most commonly used.
214 citations
,
September 2015 in “Stem Cells Translational Medicine” This study found that platelet-rich plasma injections significantly increased hair count and density in patients with male pattern hair loss without major side effects, suggesting it may be a safe and effective treatment option.
91 citations
,
August 2015 in “Anais Brasileiros De Dermatologia” This review discusses the clinical, epidemiological, and pathophysiological aspects of female pattern hair loss, reporting no new research findings.
7 citations
,
June 2015 in “European Journal of Plastic Surgery” This retrospective study found that treatment with autologous plasma rich in growth factors increased hair density and improved hair follicle health in patients with androgenetic alopecia, with no reported adverse effects.
32 citations
,
June 2015 in “Dermatologic Therapy” In this study, finasteride was found to be more effective than 5% minoxidil for treating male androgenetic alopecia in Chinese patients, with combination therapy showing the greatest improvement.
74 citations
,
January 2015 in “Asian Journal of Transfusion Science” This study found that platelet-rich plasma injections led to improvements in hair counts, thickness, and strength in patients with androgenic alopecia, showing promise as an effective treatment with no major adverse effects.
107 citations
,
August 2014 in “Dermatologic Surgery” This pilot study suggests injecting platelet-derived growth factors into the scalp may offer some clinical benefits for androgenetic alopecia, though further randomized trials are needed for confirmation.
25 citations
,
May 2014 in “Facial Plastic Surgery” In this study, intradermal injections of autologous platelet-rich fibrin matrix significantly increased hair density in patients with androgenetic alopecia at 2 and 3 months after initial treatment.
183 citations
,
January 2014 in “BioMed Research International” This study reported that AA-PRP injections significantly increased hair count and density in individuals with pattern hair loss compared to baseline, demonstrating their potential for enhancing hair growth.
115 citations
,
January 2014 in “Journal of Cutaneous and Aesthetic Surgery” In this study, PRP injections increased hair count and reduced hair loss in patients with androgenic alopecia not responding to minoxidil and finasteride, with high patient satisfaction reported.
164 citations
,
January 2014 in “Journal of Cutaneous and Aesthetic Surgery” This study found that PRP injections may improve hair density and reduce hair loss in patients with androgenetic alopecia without significant side effects, but further research is needed to confirm efficacy.
45 citations
,
March 2013 in “European Journal of Plastic Surgery” In this retrospective study, PRP injections for alopecia were found to improve hair volume and quality, with high patient satisfaction, particularly in those with less than 2 years of hair loss.
88 citations
,
December 2012 in “Journal of The European Academy of Dermatology and Venereology” This study found that interfollicular injection of autologous CD34+ cell-containing PRP preparation improved hair count and thickness in patients with pattern hair loss, with better results than placental extract treatment.
270 citations
,
March 2012 in “Dermatologic Surgery” This study found that autologous platelet-rich plasma increased hair growth potential by enhancing dermal papilla cell proliferation and stimulating key signaling pathways in both cell cultures and mice models.
166 citations
,
August 2011 in “Dermatologic Surgery” This study found that PRP combined with dalteparin and protamine microparticles may enhance hair growth by increasing hair thickness compared to PRP alone.
136 citations
,
June 2006 in “Journal of Dermatological Science” This study found that injecting PDGF-AA and -BB into mouse skin immediately triggered the hair growth cycle's anagen phase, suggesting potential treatment options for certain types of alopecia.
100 citations
,
September 1999 in “British Journal of Dermatology” This study suggests that finasteride's effect on promoting hair growth in men with androgenetic alopecia may be due to its inhibition of 5aR2 localized in hair follicles.
94 citations
,
March 1996 in “Journal of Investigative Dermatology” 143 citations
,
October 1988 in “Clinics in Dermatology” This review discusses the histopathology of male-pattern baldness and highlights ongoing disputes over several aspects, including sebaceous gland size and follicle loss, reporting no new clinical findings.