This article explores the potential applications of polyglutamic acid in cosmetics, discussing its benefits for skincare and haircare, but reports no new experimental results.
This study found that increasing hair loss in men was associated with appearing older, less attractive, and less successful, but more family-oriented and likeable, highlighting the influence of hair loss on first impressions.
July 2022 in “Biomedicines” This study found that 4-aminopyridine significantly enhanced skin wound healing by accelerating wound closure, improving skin architecture, and promoting hair follicle neogenesis and tissue regeneration.
April 2022 in “Biomedicine & Pharmacotherapy” This study found that CXCL12 inhibits hair growth via the CXCR4/STAT signaling pathway, suggesting that targeting this pathway could be a promising approach for promoting hair growth.
December 2021 in “INDIGO (University of Illinois at Chicago)” This study used single-cell RNA sequencing to characterize 19 distinct cell populations in sheep hair follicles, uncovering differentiation signatures and intercellular communication that may influence wool curvature and sheep breeding.
1 citations
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January 2014 in “Assiut Veterinary Medical Journal/Maǧallaẗ Asyūṭ al-ṭibiyyaẗ al-baytariyyaẗ” This study in Aswan governorate reported that emaciated cattle showed decreased blood cell counts and serum minerals, as well as elevated liver enzymes, possibly associated with parasitic infections.
4 citations
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January 2004 in “Biological and Pharmaceutical Bulletin” In this study, AgK114 was found to be transiently induced in hamster epidermal keratinocytes following skin damage, suggesting its role in the recovery process after injury.
January 2022 in “International Journal of Pharmacognosy and Pharmaceutical Sciences” This review examines the ethanomedicinal uses and pharmacological properties of Semecarpus anacardium, commonly used in traditional medicine, and does not provide new clinical results; it highlights a range of potential benefits including anti-inflammatory and antioxidant activities.
June 2022 in “Pflügers Archiv - European Journal of Physiology” This study found that the deletion of soluble epoxide hydrolase (sEH) in mice altered the hair follicle cycle and increased hair growth through effects on hair follicle stem and matrix cells.
1 citations
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September 2017 in “Journal of Investigative Dermatology” This research observed that Backhousia citriodora leaf extract effectively reduced sebum production and improved sebum composition across different ethnicities, significantly decreasing skin oiliness and the likelihood of shiny skin when used in a cream applied twice daily for 28 days.
June 2026 in “Kerbala Journal of Veterinary Medical Sciences” This study found that gray mongooses have more numerous and well-developed sebaceous glands compared to domestic cats, suggesting they may benefit from enhanced lipid-derived skin protection.
4 citations
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January 2006 in “International Journal of Cosmetic Science” This study found that scanning electron microscopy with argon sputter etching visualizes hair lipids at the cell membrane complex as distinctive convex structures, shedding light on their role and localization in human hair.
15 citations
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June 1986 in “Pediatric Dermatology” This study observed that 5α‐dihydrotestosterone increased pigmentation in certain skin areas of male Syrian hamsters, while estradiol decreased melanocyte numbers and counteracted the androgen-induced pigmentation effects.
1 citations
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February 1991 in “Journal of Biological Chemistry” 12 citations
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July 2004 in “Molecular genetics and genomics” This study identifies a new mutation in the Scd1 gene in a strain of Kunming mice, causing skin and hair defects with the mildest impact among similar mutations.
December 2025 in “Value in Health”
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” In this review, researchers highlighted the potential of herbal hair oils made from rosemary (Rosmarinus officinalis) and black sesame (Sesamum indicum) as safe and effective alternatives to synthetic products, citing their antioxidant, anti-inflammatory, and nourishing properties that support scalp health and hair quality.
2 citations
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January 2012 This study found that SESA oil significantly improved hair and scalp ailments more than coconut oil, with no adverse reactions reported during the study period.
September 2025 in “Journal of Dermatology Research” In this observational study, patients in India using Sebamed® anti-hair-loss shampoo for 16 weeks experienced improvements in hair growth, thickness, hair fall count, and density, with healthcare professionals reporting good to excellent tolerability in 96.4% of cases.
June 2025 in “Cell Metabolism” This study found that dietary serine levels influence hair follicle stem cells' ability to balance hair regeneration and wound repair, offering insights for potential interventions to accelerate wound healing.
January 2023 in “Zenodo (CERN European Organization for Nuclear Research)” This study found that hirsutism is a prevalent cosmetic issue among Iraqi women, with most cases being idiopathic and a significant portion having a familial history.
4 citations
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September 1977 in “Lipids” This study observed that gerbils on a fat-deficient diet had altered fatty acid composition in various organs and exhibited hair loss, reduced testis development, and often lower body weight compared to those on a fat-supplemented diet.
August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
7 citations
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April 2000 in “Mammalian Genome” This study identified a new mutation in SELH/Bc mice causing distinctive whisker and body hair abnormalities, mapped near the type I keratin cluster on chromosome 11.
2 citations
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February 1983 in “International Journal of Cosmetic Science” This study found that both hard and soft selenium disulphide-based detergents significantly increased triglyceride levels in human hair, suggesting enhanced sebum production with reduced lipolytic activity, but showed no significant differences between their effects.
April 2024 in “Jurnal Agroindustri Halal/Jurnal agroindustri halal” This study investigated formulations of hair tonic using Hormophysa triquetra seaweed and candlenut extract, finding that the variant with the highest seaweed extract content demonstrated superior physical stability and rapid hair growth in test animals due to its antioxidant properties.
12 citations
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March 2010 in “Asian Journal of Animal and Veterinary Advances” Young and adult hamsters both respond similarly to testosterone and finasteride treatments, but young hamsters aren't good for testing the inhibitory activity of a specific enzyme.
June 2023 in “Dermatopathology” In this case report, researchers described a unique skin lesion in a 55-year-old woman, identifying it as folliculosebaceous cystic hamartoma with an unusual combination of spindle cell lipomatous and neural components, which had not been previously documented in such cases.
August 2026 in “The Chittagong University Journal of Science” This study evaluated nine herbal hair oils' quality and safety, finding that while all were non-irritant and offered some UV protection, oils like Farjana and Sesa showed oxidative instability, underlining the importance of strict quality control and proper storage.
July 2026 in “Journal of the American Academy of Dermatology”