4 citations
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August 2016 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” This case report observed that after 6 months of treatment with topical cetirizine and oral vitamin D, hair density and quality improved in three girls with congenital hypotrichosis due to ectodermal dysplasia.
2 citations
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June 2024 in “Journal of the Korean Society of Cosmetology” In this study, 8-week hair loss management combined with aroma scalp massage did not significantly change hair thickness or density but improved scalp moisture and subjective satisfaction among 16 participants aged 20–50.
1 citations
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January 2024 in “Nature communications” This study found that stimulating toll-like receptor 5 via mucosal delivery of a flagellin-containing fusion protein effectively extended lifespan and enhanced healthspan in mice, including improved bone density and cognitive capacity.
November 2025 in “Quality in Sport” This review found that hydrolyzed collagen supplementation, particularly marine collagen, improves skin hydration, elasticity, and density while strengthening hair and nails, especially when paired with vitamin C and trace elements; however, more studies are necessary to evaluate long-term efficacy across different sources and demographics.
May 2023 in “International journal of pharmaceutical sciences and medicine” This study found that Helianthus annuus oil promoted hair growth in a testosterone-induced alopecia mouse model, with higher hair density observed compared to untreated mice, though it was less effective than the standard minoxidil treatment.
December 2025 in “International Journal of Research in Dermatology” This clinical study in healthy Indian adults found that a four-month application of an Ayurvedic leave-on treatment significantly increased natural black hair density, reduced grey hair count, and was well-tolerated without adverse effects, suggesting its efficacy and safety for treating premature hair greying.
October 2024 in “International Journal of Research in Dermatology” This study reported that using Mintop Pro+ hair regrowth serum twice daily for 90 days significantly reduced hair fall and increased consumer satisfaction with hair growth and density, without any adverse events, among 161 participants aged 18-55 years with hair loss concerns.
44 citations
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February 2012 in “The journal of neuroscience/The Journal of neuroscience” This study observed that Ptprq mutant mice exhibit significant abnormalities in hair bundle structure and vestibular dysfunction, suggesting similar issues may contribute to hearing loss and vestibular problems in humans with PTPRQ mutations.
July 2019 in “Journal of the Formosan Medical Association” Melatonin may help with nerve pain, a hepatitis C drug is effective but has side effects, a treatment for mouth sores works but can cause blood issues, ear reconstruction with an implant is safe, HIV transmission from mother to child in Taiwan is now 0% with treatment, certain blood problems are more common in people with a tongue condition, a gene and being overweight are linked to hair loss in some women, a new technique could reduce radiation for lung nodule patients, a hepatitis treatment may lower cancer recurrence after a procedure, and adding extra screening improves tuberculosis detection in patients with lung infections.
February 2024 in “Cureus” This study found that combining platelet-rich plasma therapy with topical minoxidil improved hair shaft diameter and hair follicle density more effectively than PRP alone in men with androgenetic alopecia.
10 citations
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April 2018 in “Maturitas” This review discusses hormonal changes during menopause, emphasizing the relative androgen excess and the role of insulin resistance, and reports no new clinical findings.
117 citations
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September 2003 in “Molecular & cellular proteomics” This study demonstrated the development of high-density protein microarrays allowing for antibody binding characterization and serum profiling from patients with autoimmune diseases, suggesting potential for diagnostic marker discovery.
November 2022 in “Archives of Plastic Surgery” This study found that follicular unit extraction is effective for treating scar alopecia after craniotomy, with better outcomes achieved when 1-year postoperative hair density exceeds 20 follicles per cm².
October 2019 in “Zenodo (CERN European Organization for Nuclear Research)” In this study, researchers developed a new solution called CapilGen, showing it increased hair quantity by 35% and density by 25% in clinical trials without side effects, providing a potentially safe and effective treatment for baldness.
6 citations
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March 2008 in “Dermatologic Surgery” Transplanting chest hair into scars can effectively treat wide donor scars from hair restoration surgery.
6 citations
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September 2022 in “Journal of Clinical Medicine” This study reported that micro-needling with Low-Level LED Therapy and Growth Factors may improve hair density in mild-to-moderate hair loss and telogen effluvium related to COVID-19, based on preliminary observations.
4 citations
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January 2019 in “Archives of clinical and medical case reports” Combining FUE hair transplantation with PRP improves hair density and patient satisfaction in scarring alopecia.
3 citations
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August 2023 in “Biophysical Journal” In this study, researchers found that epithelial cells exhibit density-dependent metabolic heterogeneity, particularly in the pre-epithelial transition stage, where metabolic patterns correlate with cell proliferation and are influenced by actomyosin contractility.
3 citations
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January 2018 This article discusses a market study in Bogotá identifying women with hair problems as the target audience for hair products containing quinoa extracts, and reports no new research findings.
January 2026 in “Redalyc (Universidad Autónoma del Estado de México)” In this systematic review and meta-analysis, the authors found that platelet-rich plasma improves hair density and facial texture with no serious adverse effects in non-surgical aesthetic treatments.
12 citations
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June 1999 in “Dermatologic Surgery” In this study, hair restoration surgery using mini-micrograft techniques successfully improved aesthetic outcomes and patient satisfaction in women with hypotrichosis of the pubis, particularly when preoperative evaluation matched pubic hair design to individual patient preferences.
1 citations
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April 2023 in “Journal of Animal Science and Biotechnology” This study found that treating cashmere goat kids with melatonin significantly increased secondary hair follicle density, improving cashmere quality and yield, likely through mechanisms involving the MAPK signaling pathway.
February 2026 in “International Journal of Nanomedicine” This study demonstrated that engineered exosomes carrying EGF and FGF restored hair density and follicle integrity in an androgenetic alopecia mouse model by reactivating hair follicle growth factors, offering a novel therapeutic approach without immunogenic reactions or systemic toxicity.
April 2025 in “Archives of Dermatological Research” In this study, microneedling-administered topical cetirizine was observed to significantly enhance hair density and increase vellus hair prevalence in men with androgenetic alopecia, with no notable adverse effects reported.
March 2025 in “Journal of Controlled Release” This study found that a biocomposite microneedle system, which includes selenium nanozyme and hypoxic extracellular vesicles, enhanced hair density and follicle diameter in androgenetic alopecia mice by fighting inflammation, promoting blood vessel growth, reducing reactive oxygen species, and counteracting androgen effects.
October 2021 in “Más dermatología” Female androgenetic alopecia affects many women, is reversible with treatment like Minoxidil, and has significant psychological impacts.
129 citations
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October 2000 in “British Journal of Dermatology” This study found that finasteride increases anagen hair growth in men with androgenetic alopecia.
86 citations
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July 2002 in “Clinical and Experimental Dermatology” This review discusses female pattern hair loss, emphasizing its complex causes and the limited treatment options available, and reports no new clinical results.
76 citations
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December 2018 in “Aesthetic Plastic Surgery” This review discusses various aesthetic and regenerative applications of platelet-rich plasma and concludes that it has potential as a safe cosmetic intervention but requires further studies to understand its clinical effects.
45 citations
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March 2010 in “Journal der Deutschen Dermatologischen Gesellschaft” This article discusses methods for diagnosing and managing diffuse hair loss and reports no new results; the authors emphasize systematic evaluation and the importance of psychological support.