March 2022 in “Al-Azhar International Medical Journal (Print)” In this study, among individuals with androgenic alopecia, stromal vascular fraction injections led to greater clinical improvement and hair density increases compared to nanofat injections, with 26.7% of participants showing great improvement versus 6.7% in the nanofat group after six months.
May 2021 in “Journal of Evidence Based Medicine and Healthcare” In this study, all androgenetic alopecia patients treated with six sessions of platelet-rich plasma over six months experienced increased hair density and improved hair pull tests, suggesting PRP as an effective and safe treatment option.
45 citations
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May 2018 in “Stem Cell Research & Therapy” In this study, patients receiving adipose-derived stromal vascular cell transplantation for alopecia areata experienced significant hair regeneration, increased growth, and improved hair quality after 3 and 6 months, indicating potential efficacy of this stem cell-based therapy for hair loss.
10 citations
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December 2015 in “International Journal of Molecular Sciences” This study suggests that PDCD4 regulates keratinocyte proliferation and contact inhibition, playing a role in epidermal homeostasis and wound healing.
5 citations
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October 2023 in “International Wound Journal” In this study, a novel portable LED device significantly accelerated wound healing in rats, with faster wound closure, increased collagen deposition, and more microvessels at a higher radiation intensity, suggesting its potential for innovative wound management.
1 citations
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December 2022 in “Clinical, Cosmetic and Investigational Dermatology” In this study, TrichoScan characteristics, particularly hair density and terminal hair percentage in the midscalp, were found to predictively classify female pattern hair loss in a Chinese population.
January 2026 in “Open Science Framework” In this study, network meta-analyses were used to explore the ranking of various 5-alpha reductase inhibitor regimens on reducing dihydrotestosterone levels and to investigate whether this reduction correlates with increased total hair density in male androgenetic alopecia.
March 2024 in “Tissue engineering. Part A” In this study, researchers observed that applying negative pressure to nude mice led to a significant increase in hair follicle growth and angiogenesis, suggesting potential for hair regeneration through mechanisms involving SOX-9, LHX-2, and β-catenin mediation.
91 citations
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July 2022 in “Frontiers in Endocrinology” This study reported that Chinese women with PCOS exhibited diverse lipid profiles based on different characteristics, which may help understand their increased risk of cardiovascular disease.
90 citations
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January 2009 in “Journal of cosmetic and laser therapy” In this study, low-level laser therapy showed no statistically significant improvements in hair growth measures, despite some patients experiencing increases in terminal hairs and shaft diameter.
37 citations
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January 2010 in “Acta dermato-venereologica” This study found that both men and women with androgenic alopecia had significantly higher triglycerides, total cholesterol, and LDL-C and lower HDL-C levels than controls, suggesting increased dyslipidemia prevalence.
33 citations
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July 2007 in “Journal of cell science” This study found that knocking out the transactivation domain of Miz1 in mouse keratinocytes disrupted hair follicle orientation, caused irregular pigmentation, and increased keratinocyte proliferation, indicating Miz1's role in hair follicle development and morphogenesis.
31 citations
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December 2012 in “British Journal of Dermatology” This study found that as Korean women age, their hair density, diameter, tensile strength, and lustre decline, while grey hair ratio and certain sterol contents increase, suggesting unique ageing features compared to women in other countries.
25 citations
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December 2017 in “The Journal of Clinical Endocrinology & Metabolism” This study found that using an oral contraceptive with bicalutamide significantly reduced hirsutism in women with PCOS compared to an oral contraceptive alone, although it increased total cholesterol and LDL levels.
6 citations
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March 2016 in “British Journal of Dermatology” This study reports that low levels of HDL cholesterol and IGF-1 were associated with a higher risk of hair loss in middle-aged women, but causal relationships remain uncertain.
6 citations
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February 2015 in “Anais Brasileiros de Dermatologia” This study found that patients with mycosis fungoides have higher levels of cardiovascular risk markers, suggesting an increased cardiovascular risk in this group compared to healthy controls.
6 citations
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January 2010 in “PubMed” This study found that psoriasis patients with scalp involvement had a significantly lower anagen ratio and higher telogen ratio compared to healthy individuals, indicating an association with an increased telogen/anagen ratio.
3 citations
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February 2021 in “Evidence-based Complementary and Alternative Medicine” This study observed that oral administration of BeauTop, a Chinese herbal medicine, significantly increased hair growth indicators, including VEGF expression, hair follicles, and hair coverage in C57BL/6 mice.
3 citations
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September 2016 in “Clinical, cosmetic and investigational dermatology” This study found that sphinganine may improve scalp health, hair quality, and reduce hair loss in males, potentially due to increased antimicrobial peptide levels and inhibition of 5-α-reductase.
July 2026 in “Vestnik dermatologii i venerologii” This study found that a serum with a minoxidil derivative and high-concentration niacinamide was effective in improving androgenetic alopecia in women, with 65.8% showing clinical recovery after 4 months, and reported good tolerability and increased treatment compliance.
July 2026 in “International Journal of Clinical & Experimental Dermatology” This exploratory pilot study reported that using a 2% Oleosome-FGF-2 fusion extract scalp serum twice daily for 84 days in women with telogen effluvium and brittle hair improved hair density, anagen/telogen ratio, hair shaft thickness, and scalp hydration compared to a placebo.
July 2026 in “International Journal of Homoeopathic Sciences” In this study, a 42-year-old female with female pattern hair loss experienced reduced hair fall, improved hair density, normalized scalp oiliness, and increased confidence after four months of homeopathic treatment personalized to her symptoms, nutritional supplementation, and GroHair therapy.
This review examines current literature on botulinum toxin type A for androgenetic alopecia, reporting an association with increased hair growth and improved hair density, though further research is needed.
In this study, PRP combined with systemic therapy for androgenetic alopecia showed higher, but not statistically significant, improvements in hair density and width compared to PRP alone, with no increase in side effects; further prospective studies are recommended.
March 2026 in “Journal of Maxillofacial and Oral Surgery” This study found that using intraoperative platelet-rich plasma in follicular unit extraction hair transplantation significantly improved graft survival, accelerated hair regrowth, and increased patient satisfaction compared to the procedure without PRP.
In this study, a Monte Carlo-generated synthetic cohort analysis found that higher simulated cannabis exposure was linked to increased self-assessed hair loss severity and reduced follicular density, suggesting potential connections worth exploring in further clinical research.
November 2025 in “Caderno Pedagógico” In this study, the combination of castor or cedar oils with high-frequency treatment was associated with the growth of new hair, improved hair density, and increased hair strand thickness among patients with androgenetic alopecia, although it did not significantly affect scalp oiliness.
October 2025 in “International Journal of Research in Dermatology” This clinical study found that a three-month Ayurvedic leave-on treatment significantly improved hair density and reduced hair fall in healthy Indian adults experiencing hair loss, with efficacy supported by increased VEGF expression in dermal papilla cells, promoting follicular angiogenesis.
This study found that patients with lichen planopilaris exhibit a higher pro-atherogenic lipid profile and elevated atherogenic indexes, suggesting a need for increased cardiovascular and lipid monitoring in these individuals.
January 2025 in “Journal of Cutaneous Medicine and Surgery” In this clinical trial, adding topical calcipotriol to intralesional triamcinolone acetonide significantly increased hair regrowth efficacy in scalp alopecia areata patches compared to steroids alone, but not in beard patches, with a lower incidence of atrophy observed.