25 citations
,
May 2019 in “Heliyon” This study found that excessive heat caused the most significant structural changes in hair from Caucasian and Afro samples, especially when combined with other treatments like bleaching and straightening.
24 citations
,
March 2022 in “Frontiers in plant science” This review discusses the roles of phytohormones like auxin and ethylene in regulating root hair growth and development in plants, but it reports no new experimental results.
23 citations
,
January 2021 in “Scientific Reports” In this study, hair follicle germs containing vascular endothelial cells showed improved hair regeneration and morphogenesis-related gene expression in mice, suggesting a promising strategy for hair regenerative medicine.
18 citations
,
August 2019 in “Journal of Cosmetic Dermatology” This study found that autologous platelet-rich plasma was associated with increased hair density in people with pattern hair loss, but with considerable variability and unclear risks of bias.
16 citations
,
April 2021 in “International Journal of Molecular Sciences” This study found that micro-current electrical stimulation may promote hair growth in human hair follicle-derived papilla cells and a mice model by enhancing cell proliferation, migration, and activating key growth pathways.
13 citations
,
October 2017 in “Bioscience, Biotechnology, and Biochemistry” This study found that a titrated extract of Centella asiatica enhanced the hair growth potential of 3D spheroid cultured human dermal papilla cells.
4 citations
,
October 2019 in “Journal of Dermatological Treatment” This study reported that injecting monofilament threads into the scalp significantly improved hair count and hair mass index in women with female pattern hair loss, with most participants noticing substantial improvements in hair characteristics compared to a placebo.
4 citations
,
August 2018 in “Facial Plastic Surgery Clinics of North America” This review discusses the use of platelet-rich plasma in treating androgenetic alopecia and alopecia areata, observing overall positive clinical responses without identifiable complications, and reports no new clinical results.
November 2025 in “Journal of Cosmetic Dermatology” This study found that a proprietary saw palmetto (Serenoa repens) extract significantly increased hair growth and reduced hair shedding in men and women with self-perceived thinning hair over a 90-day period, compared to placebo, without reported adverse events.
August 2023 in “Dermatologic Surgery” This study reviewed evidence suggesting that certain types of wounds might stimulate localized hair growth in humans, noting anecdotal reports and mixed efficacy of treatments like microneedling and lasers for androgenetic alopecia, but emphasized that further research is needed.
April 2019 in “Journal of emerging technologies and innovative research” This article discusses female pattern baldness and effective treatments like oral anti-androgens and topical minoxidil for managing its progression and reversing hair follicle shrinkage, but reports no new findings.
25 citations
,
March 2017 in “Journal of Dermatological Treatment” This review found that the current evidence on using platelet rich plasma to treat non-cicatricial alopecia, such as androgenetic alopecia and alopecia areata, is of low quality and yields controversial results.
65 citations
,
April 2020 in “International Journal of Molecular Sciences” This review indicates that most studies reported positive effects of platelet-rich plasma injections for treating androgenic alopecia, with no major side effects, suggesting it may be a safe alternative to Minoxidil and Finasteride.
53 citations
,
June 2017 in “Skin appendage disorders” This review suggests that platelet-rich plasma may be effective in increasing hair density in patients with androgenetic alopecia, but more research is needed to determine the best treatment protocol.
15 citations
,
January 2012 in “International journal of trichology” This study found that the HairCheck® device, demonstrating high correlation between its Hair Mass Index and hair characteristics such as strand number and diameter, may be an effective tool for assessing hair mass changes in alopecia patients.
4 citations
,
January 2012 in “International Society of Hair Restoration Surgery” This article discusses the importance of accepting both strip and FUE techniques for hair restoration, without asserting the superiority of one method over the other.
1 citations
,
March 2020 in “Hair transplant forum international” This study describes new devices, "HairMeasure" and "Scalp Zone Identifier," which offer an economical method to calculate Hair Mass Index without disposable materials.
May 2014 in “Hair transplant forum international” This article describes the diagnostic process and rewards of evaluating female hair loss but reports no new clinical findings.
This study evaluated the accuracy of the HairCheck device, a cross-section trichometer, and concluded that it effectively measures changes in hair diameter and density for assessing alopecia progression and treatment response.
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.
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.
27 citations
,
June 2019 in “Aesthetic Plastic Surgery” Platelet-Rich Plasma (PRP) treatment may increase hair growth for genetic hair loss, but more research is needed to confirm this.
25 citations
,
July 2017 in “Journal of Stomatology, Oral and Maxillofacial Surgery” This review suggests that PRP injections may be effective in promoting hair regrowth, reducing hair loss, and increasing hair thickness in patients with androgenic alopecia.
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.
23 citations
,
November 2017 in “Stem cell investigation” This study found that platelet lysate produced higher follicular regeneration in hair restoration surgeries compared to activated PRP and saline, with significant gains in both follicular unit and hair density.
15 citations
,
May 2020 in “Journal of Dermatological Treatment” This systematic review and meta-analysis found that platelet-rich plasma treatments improved hair density and thickness in people with androgenetic alopecia, without serious adverse effects.
11 citations
,
July 2020 in “Journal of Cosmetic Dermatology” This study found that a 1% Sandalore® solution reduced hair shedding and improved hair volume and anagen phase duration in women with telogen effluvium over 24 weeks, compared to placebo.
8 citations
,
March 2021 in “Medicina-lithuania” This review discusses the use of platelet-rich plasma for treating female androgenetic alopecia, reporting that it shows high patient satisfaction and improved quality of life in affected women.
8 citations
,
February 2018 in “European journal of oncology nursing” This study found that the Hair Mass Index is suitable for quantifying hair loss, but patient self-assessment is the most reliable method for evaluating chemotherapy-induced alopecia in clinical practice.
3 citations
,
August 2020 in “PubMed” This review discusses the potential efficacy and applications of platelet-rich plasma in dermatology, highlighting its use in various skin conditions but reporting no new clinical results; the authors call for standardization of preparation and treatment methods.