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This research found that feather pattern formation in birds is regulated by a mechanochemical system involving fibroblast growth factor and bone morphogenetic protein signaling, which is altered in the flightless emu and ostrich.

In this study, Spectral DNC-N® significantly reduced hair shedding and increased hair mass and density in women with early female pattern hair loss, with effects evident after 3 months and sustained through 6 months.

This study suggests that scalp massage may reduce stress, as indicated by decreased salivary cortisol and increased secretory immunoglobulin A, and improve comfort by reducing physical fatigue and negative emotions.

This clinical trial found that the extract complex of Cistanche tubulosa and Laminaria japonica (MK-R7) significantly improved hair density and diameter in patients with patterned hair loss over 16 weeks.

This study found that 12 cycles of chlormadinone acetate in hormonal contraceptives significantly improved oily skin and hair quality, enhancing psychosocial well-being in healthy women.

This study reported that once-daily treatment with oral minoxidil and spironolactone for 12 months reduced hair loss severity and hair shedding in women with pattern hair loss, with generally mild side effects, though results came from an uncontrolled, observational pilot study.

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.

In this study, the hot-wire hair removal device (no!no!) was found to be no more effective than shaving in reducing hair density, regrowth rate, or altering hair characteristics.

This study reported that platelet-rich fibrin (iPRF) therapy may improve scalp health and hair appearance in women, showing beneficial changes in scalp hydration, redness, oiliness, and hair density, thickness, and loss.

This study evaluated an 808-nm diode laser at different fluences for permanent axillary hair removal in Korean women and found that high-fluence treatment (14 J/cm2) effectively reduced hair density and thickness, with no significant difference in comfort compared to lower fluences.

This study observed that Japanese women experience diffuse central hair loss after age 40, characterized by reduced hair density and thicker hair ratio rather than vellus-like hairs.

This study found that the TrichoScan method for evaluating hair loss showed excellent correlation with manual marking and provided more consistent, reproducible results with less variability and operator error.

In this article, the authors reviewed essential terminology and recommendations for creating a welcoming healthcare environment for transgender patients and providing gender-affirming therapy, emphasizing the unique health needs and disparities faced by this population.

This article discusses the use of scalp stretching techniques to enhance donor hair supply for hair restoration, but it reports no new clinical findings.

This article reviews various hair transplant techniques and procedures across different ethnic groups but does not provide new clinical results, highlighting the need for tailored approaches in diverse populations.

This review examines various methods for assessing hair growth in women, highlighting the usefulness of the mFG visual scoring method for diagnosing hirsutism despite its limitations.

This study found that 5% topical minoxidil significantly increased hair regrowth and improved psychosocial perceptions of hair loss in men with androgenetic alopecia compared to 2% topical minoxidil and placebo over 48 weeks.

This article discusses various mechanisms for promoting hair growth in pattern hair loss and highlights the challenge of balancing short-term measurable results in trials with the need for long-term efficacy data.

This review found that while platelet-rich plasma treatment significantly increased hair density compared to baseline in people with androgenetic alopecia, its effectiveness was not significant compared to placebo in most studies.

This study investigated the effects of the herbal formulation DA-5512 on hair growth, finding that it significantly promotes dermal papilla cell proliferation and stimulates hair growth in mice while showing efficacy and safety in human trials compared to placebo and minoxidil (3%).

In this study, a square pulse, low-fluence IPL device used at home significantly reduced terminal hair count by 87% six months post-treatment, with evidence of hair miniaturization similar to professional laser treatments.

This systematic review reported that probiotics, prebiotics, synbiotics, postbiotics, and dietary supplements may improve hair density and reduce dandruff severity in individuals with scalp disorders, potentially by modifying inflammation, oxidative stress, and microbiota composition; however, variability across studies limits the strength of these conclusions.

This study suggests that metformin may be more effective than Dianette in treating moderate to severe hirsutism in women with PCOS, while also reducing markers of insulin resistance.

This article outlines the clinical features, evaluation, and treatment strategies for androgen excess in polycystic ovary syndrome, highlighting important diagnostic and management approaches but reporting no new research results.

This review outlines various clinical methods for assessing ageing skin and discusses their application in supporting the efficacy claims of anti-ageing treatments, but it reports no new clinical results.

This review discusses various techniques for evaluating hair shedding and alopecia but reports no new clinical results. The authors emphasize the value of specific clinical and instrumental methods in assessing hair growth.

This review examines the use and efficacy of Panax ginseng in various clinical settings, noting that clinical trial outcomes vary widely based on study conditions and ginseng types; no new results are reported.

In this study, PRP increased hair density in areas treated for androgenetic alopecia, but there was no significant difference when compared to placebo-treated areas.

This study found that patients with lichen planus were significantly more likely to have dyslipidemia, particularly with higher triglyceride levels.

This study developed a prototype device that suggests potential for diagnosing changes in hair quantity, diameter, and density, though formal clinical studies are needed to confirm these findings.