January 2023 in “International journal of research publications” According to this study, rice bran oil was as effective as 2% minoxidil in improving hair growth parameters, such as VEGF expression, follicle diameter, and hair length, in Wistar rats treated for 21 days, showing potential for preventing hair thinning associated with aging.
August 2023 in “The Indonesian Biomedical Journal” This study on UVB-exposed mice found that topical application of 10% Rosmarinus officinalis essential oil significantly increased hair length and follicle diameter, attributed potentially to its antioxidant compounds.
This study found that applying topical cinnamon essential oil on male wistar rats increased hair length and hair follicle diameter similarly to 2% minoxidil over 30 days.
28 citations
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October 2011 in “International Journal of Molecular Medicine” In this study, adenosine was found to stimulate hair follicle growth in vitro by promoting growth factor expression, β-catenin activation, and downstream signaling pathways.
December 2022 in “Scientific Reports” This study found that transplanted hair follicle-associated pluripotent stem cells in mice differentiated into keratinocytes and stimulated hair growth by producing mature hair shafts.
25 citations
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April 2018 in “Electromagnetic biology and medicine” This study found that radiofrequency radiation from mobile phone use may increase DNA damage in hair follicle cells of the ear canal, with greater exposure duration linked to higher damage levels.
8 citations
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August 2020 in “Domestic Animal Endocrinology” This study found that melatonin treatment improved cashmere production for one cycle in cashmere goats, enhancing fiber quality and follicle activity, but had no effects in the subsequent cycle.
7 citations
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April 2013 in “Animal Production Science” This study found that manipulating maternal cortisol levels during pregnancy altered Merino sheep wool characteristics, increasing fibre length and reducing crimp frequency in the offspring.
7 citations
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January 2001 in “Annales de zootechnie” This study found that melatonin treatment significantly increased wool production and hair follicle activity in German angora rabbits, with larger effects seen in defleeced animals and those treated in July.
1 citations
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January 2012 in “Jounal of The Korean Society of cosmetology” Tremella fuciformis Berk helps protect hair from stress-related damage.
April 2024 in “Frontiers in endocrinology (Lausanne)” In this meta-analysis, researchers found that melatonin did not affect primary hair follicles or litter size in goats but was positively correlated with secondary follicle growth, suggesting potential relevance for studying hair growth mechanisms and human alopecia.
January 2024 in “Pediatric Dermatology” This case study found that a 9-year-old girl with trichorhinophalangeal syndrome type 1 experienced significant improvements in hair density and length after 4 months of topical minoxidil treatment, suggesting its therapeutic potential for this condition.
October 2023 in “IBRO neuroscience reports” Rat hair follicle stem cells have functional oxytocin receptors, useful for studying neuropsychiatric disorders.
April 2018 in “Journal of Investigative Dermatology” This study found that dermal white adipose tissue surrounding human hair follicles enhances proliferation, pigmentation, and hair shaft elongation in an ex vivo setting.
June 2013 in “International Journal of Dermatology” This study found that among HIV-infected women, central lipohypertrophy was associated with shorter eyelashes but not changes in scalp hair texture or inflammation.
4 citations
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June 2021 in “Frontiers in Pharmacology” This study found that injecting bone marrow-derived mesenchymal stem cells and conditioned medium into mice promoted hair follicle stem cell proliferation and transition to active growth phases, suggesting potential clinical targets for hair loss treatment.
60 citations
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April 2003 in “Biomaterials” This study found that the controlled release of specific growth factors from biodegradable hydrogels significantly enhanced hair follicle growth and hair shaft length in mice compared to growth factors in solution.
13 citations
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January 2002 in “Biological chemistry” This study found that hair follicle-specific keratins can form different structural assemblies depending on ionic conditions, with hair cortex keratins requiring physiological salt conditions to form intermediate filaments.
7 citations
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July 2014 in “Reproductive Biomedicine Online” This study found that, among fertile egg donors, the AR gene CAG polymorphism was associated with differences in antral follicle count but did not impact ovarian response to gonadotrophins.
June 2005 in “Key Engineering Materials” This study found that biodegradable hydrogels loaded with various growth factors significantly enhanced hair follicle growth and blood vessel formation in mice, demonstrating a positive effect on their hair growth cycle.
2 citations
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September 2023 This study found that among Inner Mongolian cashmere goats, body weight gain during the non-growing period positively correlated with increases in cashmere yield, staple length, and secondary hair follicle activity, suggesting that nutritional interventions may enhance cashmere production.
136 citations
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July 2014 in “Proceedings of the National Academy of Sciences of the United States of America” This study identified mutations in the FGF5 gene as a cause of extreme eyelash growth in Pakistani families, highlighting a potential target for regulating eyelash growth.
8 citations
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April 2018 in “Facial Plastic Surgery” This article reviews techniques for achieving natural-appearing hair restoration results in women and reports no new research findings.
7 citations
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March 2022 in “Frontiers in Genetics” This study identified genetic loci and pathways associated with long hair growth in the Tianzhu white yak, providing new insights into the genetic mechanisms of this trait.
20 citations
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January 2017 in “Genetica” This study suggests that the methylation degree of HOXC8 exon 1 in the hair follicle may influence cashmere fiber growth in Liaoning cashmere goats.
17 citations
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November 1967 in “American Journal of Anatomy” This study observed that the catagen phase in hairless mice displayed a slower shortening of the mutant epithelial column, resulting in longer total follicle length and abnormalities in the connective tissue sheath and glassy membrane.
3 citations
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January 2016 in “Biotechnology and Bioprocess Engineering” This animal study found that Laminaria japonica mixed with insulin-like growth factor-1 significantly promoted hair growth in mice, suggesting its potential use for treating alopecia pending further clinical trials.
June 2024 in “Skin Research and Technology” In this study, patients with androgenetic alopecia who received type A botulinum toxin treatment showed increased follicle width and length at the vertex and left frontal area over three months, but no significant changes in follicle or hair count compared to the control group.
This study found that an herbal extract from Marking nuts, when compared to a standard drug, effectively inhibited the dandruff-causing organism Malassezia furfur and promoted hair growth on mice, suggesting potential use for dandruff treatment and hair rejuvenation.
2 citations
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July 2023 in “International Journal of Molecular Sciences” This study found that applying a formulation derived from Bacopa procumbens significantly promoted hair growth, pigmentation, and follicular cycle acceleration in mice compared to minoxidil, potentially offering a new therapeutic approach for hair health.