December 2025 in “Universal library of medical and health sciences.” This study analyzes contemporary theories and practices to understand key factors influencing the development of the examined phenomenon, proposing trends and practical applications for researchers and practitioners, while acknowledging study limitations and suggesting future research directions.
January 2011 in “Yearbook of Dermatology and Dermatologic Surgery” Hair relaxers are linked to reduced cystine levels and potential hair damage.
15 citations
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October 1970 in “Archives of disease in childhood” Hair amino acid levels can indicate metabolic disorders.
January 2017 in “Rasayan journal of Chemistry” This paper describes a new scalable synthesis method for Dutasteride, highlighting its potential for large-scale commercial production.
86 citations
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April 2016 in “Nature Communications” This study suggests that Notch1 acts as a key signal in skin epithelium, promoting immune cell recruitment and aiding in normal skin repair after damage.
23 citations
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August 2018 in “Biochimica and biophysica acta. Molecular and cell biology of lipids” This article reviews the roles of lesser-known secreted phospholipase A2 isoforms in various biological processes, such as immune suppression, metabolic regulation, epidermal hyperplasia, and male reproduction, without reporting new clinical findings.
4 citations
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December 2014 in “European Journal of Chemistry” This study synthesized and characterized new 2-hydroxypyrrolidine/piperidine derivatives using FeCl₃·6H₂O as a catalyst, but it reports no biological or clinical results.
3 citations
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July 2019 in “Journal of Cosmetic Dermatology” This study found that a shampoo with a selective TAAR agonist reduced hair shedding during brushing by 31% in women and contracted the arrector pili muscle.
March 2018 in “Suez Canal University Medical Journal” In this study, NKG2D polymorphism was not linked to increased susceptibility to systemic lupus erythematosus among Egyptian patients living in the Suez Canal area.
6 citations
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August 2019 in “PLOS ONE” The researchers reported that Gambogic Amide may prevent hair greying and promote hair growth by maintaining follicle pigmentation in vitro through activation and migration of melanocytes.
November 2025 in “Repositorio Comunidad Politecnico Grancolombiano” This research focuses on Milagros's strategy to internationalize by exporting their intensive repair hair mask to Mexico, France, and the United States, examining each market's potential and challenges in the global hair care sector.
12 citations
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August 1984 in “Genetics Research” In this study, researchers found that the naked (N) gene in mice indirectly affects the synthesis of structural proteins in mouse hair, resulting in reduced high tyrosine protein content and unusual amino acid compositions.
11 citations
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January 2008 in “International journal of environment and health” This review discusses the environmental contamination and health risks of Platinum Group Elements, highlighting their potential bioaccumulation and associated health issues, especially in vulnerable populations like children, and reports no new experimental findings.
7 citations
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August 2019 in “Bioorganic & medicinal chemistry” This study identified novel 4-Amino-2H-benzo[h]chromen-2-one analogs as potent androgen receptor antagonists that show strong antiproliferative activity against prostate cancer cells, suggesting them as potential lead compounds for therapy development.
January 1974 in “Nippon Nōgei Kagakukaishi/Nihon Nougei Kagakkaishi” In this study, L-methionine and L-serine application was observed to have the most significant effect on hair weight and root length, followed by acetyl L-methionine and L-serine, while glutathione inhibited growth.
October 2022 in “Journal for Research in Applied Sciences and Biotechnology” This study found that polymorphism of the SHBG gene (rs1799941) is associated with an increased risk of Polycystic Ovary Syndrome in Iraqi women.
August 2022 in “International Journal of Health Sciences” Elderly in rural areas have many skin issues needing targeted healthcare.
17 citations
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April 2020 in “Dermatology and Therapy” In this randomized double-blind study, 160 adults with alopecia areata showed significant improvements in hair loss severity after using a bioactive peptide cosmetic product that mimics platelet-rich plasma, while the placebo group showed no significant change, underlining the treatment's potential effectiveness.
2 citations
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January 2022 in “Journal of Oleo Science” This study found that oil from CG17 garden cress seeds had higher amounts of β-carotenoids, tocopherols, and vitamins compared to other genotypes, with varying physiochemical properties across all seeds.
October 2019 in “Turkderm” This study examined the demographics of patients diagnosed with pernio and compared their vitamin B12, folate, and ferritin levels with those of a control group.
September 2025 in “Journal of Surfactants and Detergents” In this study, shampoos containing sodium lauroyl methylaminopropionate showed superior coacervate formation and lubrication on wet hair, outperforming other amino acid surfactants and suggesting potential for creating low-irritation, high-performance hair products.
28 citations
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September 2002 in “The Journal of Comparative Neurology” This study found that presynaptic inhibition of Aαβ cutaneous primary afferents in cats is mostly mediated by GABAergic interneurons that also contain glycine.
May 2026 in “Bulletin of Pharmaceutical Sciences Assiut” This study observed that Globularia alypum L. ointment significantly boosted hair growth in female albino rats, increasing hair length more than the control group after 20 days, without showing toxicity even at high doses.
February 2025 in “Clinical Cosmetic and Investigational Dermatology” This study used Mendelian randomization analysis to find a significant causal relationship between high fasting insulin levels and androgenetic alopecia, while identifying potential core genes and metabolic pathways that could mediate this link.
12 citations
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December 2009 in “Amino Acids” In this study, topical application of α-methylspermidine during the telogen phase in mice induced hair growth by increasing the polyamine pool and mimicking the anagen phase's characteristics.
August 2025 in “Frontiers in Nutrition” This study found that serum amino acid profiles changed significantly following laparoscopic sleeve gastrectomy in patients with obesity, and identified serum leucine levels as an independent risk factor for postoperative alopecia.
1 citations
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February 2025 in “Journal of Biomedical Research & Environmental Sciences” This review explores the diverse health benefits and pharmacological properties of mushrooms, highlighting their potential use in cosmetics for antioxidant, anti-aging, and anti-hair loss effects due to their bioactive compounds.
17 citations
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December 2002 in “Biochemical and biophysical research communications” This study reports on the biochemical characteristics of S100A3 protein in human hair cuticle, notably finding its N-terminal methionine is acetylated and has a slightly lower isoelectric point compared to the recombinant version.
February 2025 in “Ciencia Latina Revista Científica Multidisciplinar” This in-silico study found that Finasteride interferes with neurotransmitters and may increase psychopathology when it decomposes into a carboxylic acid similar to Cortisol.
69 citations
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January 2021 in “Journal of Biological Chemistry” This review discusses various amino acid-derived plant defensive compounds and highlights their potential as drug leads due to their potent antimicrobial properties, but reports no new experimental results.