In this study, minoxidil 2% produced satisfactory esthetical results in about 30% of patients, but placebo-treated subjects experienced increased hair counts without a cosmetic benefit, possibly due to seasonal variations and hair classification issues.
22 citations
,
July 2012 in “Journal of integrative agriculture/Journal of Integrative Agriculture” This study found that Hoxc13 gene expression, influenced by melatonin, was associated with hair follicle activity in Cashmere goats, with in vitro evidence suggesting effects on genes relevant to follicle development.
August 2014 in “Chinese Journal of Dermatology” This study found that scalp psoriasis in China commonly affects the forehead hairline, is worsened by seasonal changes, and often negatively impacts patients' quality of life.
15 citations
,
January 1971 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” This study indicates that hair analyses for calcium and phosphorus are unlikely to be useful for assessing the nutritional status of horses, suggesting soil and feed analyses as more effective alternatives.
5 citations
,
May 2018 in “Journal of the American Academy of Dermatology” This study found no significant correlation between vitamin D levels and disease severity in alopecia areata patients, highlighting the need for further research on vitamin D supplementation's effects.
3 citations
,
January 2024 in “Innovaciencia Facultad de Ciencias Exactas Físicas y Naturales” This review outlines the development and clinical use of three generations of antihistamines, noting that while first-generation drugs have multiple side effects including sedation, second- and third-generation antihistamines offer greater efficacy and safety due to their selective action on peripheral H1 receptors.
62 citations
,
December 1994 in “Journal of Endocrinology/Journal of endocrinology” In this study, administrating ovine prolactin accelerated secondary hair follicle reactivation and moulting in cashmere goats, while bromocriptine delayed these processes.
133 citations
,
August 1969 in “Science” This study found that melatonin implants caused male weasels to molt, develop a new white winter coat, and become reproductively inactive, suggesting melatonin affects their neuroendocrine system.
19 citations
,
June 2020 in “General and comparative endocrinology” This study found that hair cortisol concentration is a promising stress indicator in cattle but not in pigs, where external factors and lower cortisol response may interfere with its validity.
1 citations
,
March 1994 in “Proceedings of the British Society of Animal Production” This study investigated the impact of prolactin and melatonin on secondary hair follicle growth patterns in Angora and Cashmere goats using in vitro methods, without reporting new definitive results.
September 2025 in “Cosmetics” In this study, oral supplementation with NMN for 12 weeks in middle-aged Japanese women significantly increased hair growth density and diameter and improved subjective assessments of hair texture and quality of life, with no significant changes in hair hormone concentrations observed.
June 2026 in “Domestic Animal Endocrinology” This study found that hair follicle gene expression varies between Angus and Brahman cattle and responds to growth-promoting treatments, which may reflect breed differences in adaptability to cold stress.
98 citations
,
February 2007 in “Seminars in Cell & Developmental Biology” This review explores the hormonal regulation of hair growth and changes with season, age, and sexual development, and calls for improved treatments for hair disorders.
8 citations
,
January 2012 in “General and Comparative Endocrinology” 5α-Reductase helps regulate hormone action in toad testes, especially during breeding season.
157 citations
,
April 1994 in “Clinical endocrinology” Androgens can cause hair growth in some areas and hair loss on the scalp.
5 citations
,
January 2014 in “BioMed Research International” This collection of papers reviews recent research on women's skin, focusing on hormonal influences, environmental impacts, and specific skin disorders, with no new clinical results reported.
June 2021 in “Research Square (Research Square)” This study reports that melatonin influences gene expression related to cashmere growth cycles in Inner Mongolian cashmere goats, potentially aiding in understanding and enhancing cashmere yield through molecular regulation.
September 2024 in “Digital Commons - University of South Florida (University of South Florida)” This study found that injecting various hormones or hormone-cholesterol mixtures into Willow Ptarmigan and White-tailed Ptarmigan led to the growth of pigmented feathers instead of the usual white winter feathers, suggesting hormonal influence on plumage color changes.
17 citations
,
November 2013 in “American Journal of Primatology” This study reported species and demographic differences in alopecia rates among macaques, with the highest rates in pigtail macaques and noted age-related improvements in alopecia scores.
3 citations
,
November 2021 in “Stress” This study found that school-related stress increases hair cortisol in girls and alters hair testosterone and cortisol levels in boys, indicating gender-specific hormonal responses to environmental changes.
53 citations
,
October 2018 in “Aesthetic Surgery Journal” This study found that Google Trends data on search terms like "eyelid plastic surgery," "facelift," and "rhinoplasty surgery" significantly correlated with actual US surgery volumes, highlighting its potential use for plastic surgeons in marketing and advertising decisions.
48 citations
,
October 1996 in “Dermatologic clinics” This review discusses the variability and limitations of treatments for severe alopecia areata, noting some patients may achieve cosmetic hair regrowth with treatment, while others experience persistent hair loss or relapse.
14 citations
,
January 2008 in “Dermatology” This review discusses the role of vitamin D metabolism in skin immunity and wound healing but does not present new results, highlighting the need for further research into its therapeutic applications.
9 citations
,
October 2012 in “Natural Product Communications” This study analyzed the essential oil from Chamaecyparis lawsoniana and found that it is rich in limonene and exhibits antibacterial and antifungal properties, particularly against Candida albicans and certain Gram-positive bacteria.
3 citations
,
May 2011 in “Medical Hypotheses” This article proposes that transnasal evaporative cooling could advance understanding of various physiological phenomena, but reports no new clinical results; potential research directions are suggested for this concept.
1 citations
,
January 1995 in “Lincoln University Research Archive (Lincoln University)” In this study, researchers found that wool growth regulation is likely achieved through endocrine growth factors, with various growth factors inhibiting fibre growth in vitro.
1 citations
,
September 2013 in “Revue d'Épidémiologie et de Santé Publique” Higher unemployment rates are linked to increased suicide rates, especially in men aged 25-49 in France.
This study discusses a natural hair care shampoo formulated with ingredients such as Ritha, aloe Vera, and Amla fruit, designed to clean hair, eliminate oil and dandruff, and promote strength, blackness, and growth.
January 2025 in “Conservation Physiology” This study developed and tested two methods to accurately quantify hair growth rates in polar, black, and grizzly bears using dye application and isotopically labelled amino acids, revealing growth rate variations by individual and season.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study introduces a hypothesis that elevated DHT at puberty may cause chronic thermal stress in specific scalp areas, potentially explaining Androgenetic Alopecia characteristics and guiding future research.