December 2022 in “Biochemical and Biophysical Research Communications” This study found that HtrA2 inactivation in mnd2 mice is associated with delayed hair cycle phases and growth retardation of adipocytes, suggesting HtrA2's role in regulating adipogenesis-related hair growth.
December 2000 in “日本組織細胞化学会総会プログラムおよび抄録集” January 2002 in “Academic Journal of Kunming Medical College” In this study, human-hair artificial tendon material showed good biocompatibility and variable degradation rates in rabbits, depending on treatment time, with minimal inflammatory reactions observed.
February 1985 in “PubMed” July 2026 in “Journal of the American Academy of Dermatology”
May 2023 in “Jurnal farmasi sains dan praktis” In this research on cinnamon and virgin coconut oil hair tonics, F2 and F3 demonstrated stable physical properties and mild irritation potential, while formula 1 remained non-irritating but less stable regarding pH and viscosity.
11 citations
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January 2014 in “The Scientific World Journal” This study found that Cynatine HNS significantly improved hair and nail health in women after 90 days compared to placebo.
13 citations
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February 2024 in “Clinical Cosmetic and Investigational Dermatology” This study demonstrated that intradermal treatment with a medical device using Polynucleotides High Purification Technology (PN HPT) significantly improved skin surface, firmness, pigmentation, and radiance in 30 Asian subjects, with benefits lasting up to six months and no adverse events reported.
70 citations
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February 2009 in “Biological Trace Element Research” January 1996 in “Studia iuridica” This study identified two novel point mutations in the hHb6 gene associated with monilethrix, suggesting these mutations could serve as diagnostic markers for this genetic hair disorder.
January 2019 in “Applied Organometallic Chemistry” The compound (NH4)2Mn0.17Cu0.83Cl4.2H₂O has a specific structure, shows weak magnetism at low temperatures, and undergoes phase changes at high temperatures.
May 2009 in “OPAL (Open@LaTrobe) (La Trobe University)” In this study, a transgenic mouse model suggested that suppressing the expression of the HGPS mutation may reverse disease symptoms, including skin abnormalities, supporting the potential for treatment development.
5 citations
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July 2022 in “IBRO Neuroscience Reports” This study found that camphor and similar compounds depress neural activity in rat mechanoreceptors, suggesting that their effects may not be mediated through TRP channels.
13 citations
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August 1985 in “The Journal of Dermatology” This study identified a monoclonal antibody, HKN-2, that recognizes specific cells in human skin and may indicate a common antigenic determinant between hair and other skin epithelial tissues.
3 citations
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September 2013 in “Journal of the American Academy of Dermatology” This report details two patients with Hutchinson-Gilford Progeria syndrome who exhibited generalized shiny skin in infancy and had a novel mutation in the LMNA gene.
This article reviews approved treatments for androgenetic alopecia and reports no new research findings, highlighting the need for further studies.
This study found that a 10% hibiscus leaf extract hair tonic demonstrated better hair growth activity than 2% minoxidil in rabbits but caused eye irritation.
In a study on female Wistar rats, researchers found that a hair tonic containing a 7.5%:2% combination of talok and pare leaf extracts increased hair growth comparable to minoxidil, showing similar efficacy in promoting hair growth without significant statistical difference.
5 citations
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February 1998 in “Polymer” Human hair keratin has a 40% α-helix structure that changes to a random coil in 8 M urea.
December 2024 in “European journal of medical research” This study suggests that the NCSTN knockout mouse could serve as an HS animal model, with tamoxifen potentially used for gene deletion in mice.
January 2016 in “Jurnal Farmasi Indonesia” In this study, hibiscus leaf extract hair tonic at 10% concentration showed better hair growth promotion activity compared to minoxidil 2% in a rabbit model, although it caused eye irritation.
May 2023 in “Pharma xplore : jurnal sains dan ilmu farmasi” In an animal study, researchers found that a hair tonic containing a 1:1 ratio of kelor and rambutan leaf extracts led to similar hair growth in rabbits compared to a minoxidil control, with average hair lengths of 3 cm versus 2.025 cm, respectively.
6 citations
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March 1996 in “Journal of Investigative Dermatology” 477 citations
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March 2004 in “Proceedings of the National Academy of Sciences” This study reports that the DMI3 gene, essential for nodule formation in legume-rhizobial symbiosis, encodes a calcium/calmodulin-dependent protein kinase, highlighting its role in multiple plant symbioses.
24 citations
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October 1995 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” This study found that the LH response to nafarelin effectively distinguished gonadotropin deficiency from constitutional delay of puberty, performing comparably to the sleep test and offering certain advantages.
8 citations
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June 1981 in “Clinica Chimica Acta” 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.
2 citations
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June 2023 in “Research in Pharmaceutical Sciences” Bhamrung-Lohit may help with inflammation and oxidation.