8 citations
,
April 2017 in “Journal of The Royal Society Interface” This study found that keratin intermediate filaments in the hair of GAN patients are altered, showing decreased diffraction signals and increased stiffness, strength, and extensibility.
7 citations
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December 2011 in “Annals of anatomy” This study found that involucrin likely plays a key role in forming the cornified material of the medulla and inner root sheath of human hair, contributing to its mechanical strength.
6 citations
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May 2020 in “Molecules/Molecules online/Molecules annual” This study found that while yak belly hair is chemically similar to human hair, its higher porosity and lower mechanical strength limit its usefulness as a substitute in hair dye development.
6 citations
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January 2018 in “Research Journal of Topical and Cosmetic Sciences” In this study, researchers developed an herbal liquid shampoo using ingredients like shikekai and tulsi powder, aiming for safety and efficacy without the damaging effects of chemical alternatives, and found that it could clear dandruff and dirt while enhancing hair strength and growth.
5 citations
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September 2017 in “Plastic and Aesthetic Research” This study aimed to assess whether using minoxidil alongside nutritional cyclical supplements could boost hair regrowth without antiandrogens or enzyme blockers, focusing on hair root strengthening. Results are not reported.
3 citations
,
July 2023 in “Acta Biomaterialia” This study demonstrates that a bioinspired peptide, PepACS, can efficiently and safely perm hair by interacting with keratin's sulfhydryl group without compromising tensile strength, and it shows potential for hair repair and dyeing applications in the hair care industry.
2 citations
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July 2024 in “Biomedicines” This study found that, in male patients with patellar tendinopathy, bone marrow mesenchymal stromal cell treatment improved tendon regeneration, organization, strength, and pain relief more effectively than leukocyte-poor platelet-rich plasma over 12 months.
2 citations
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November 2023 in “Laboratory Animal Research” In this study, the combination of conditioned medium from human adipose-derived stem cells and photobiomodulation significantly enhanced wound healing in type 2 diabetic rats compared to using either treatment alone, with particularly superior results in wound strength and new blood vessel formation.
2 citations
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January 2015 in “Sen'i Gakkaishi” This study found that washing hair after reduction in a permanent waving process allows for significant reformation of disulfide cross-links, enhancing the strength and elasticity of hair fibers.
2 citations
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January 1994 in “Nihon Chikusan Gakkaiho” In this research, Holstein cows immunized with human hair keratin produced antibodies in both colostrum and regular milk that specifically bind to hair keratin, enhancing hair tensile strength without affecting skin keratin.
1 citations
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August 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” This study presents a composite hydrogel dressing with berberine-loaded silk fibroin microspheres and Calotropis gigantea fibers that demonstrates effective antibacterial properties, enhanced mechanical strength, and promotes wound healing.
1 citations
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January 2025 in “Poultry Science” In this study, researchers examined skin growth and quality in Pekin ducks from 1 to 6 weeks of age, finding that skin factors like strength and collagen content increased with age and were influenced by gene expressions related to cell proliferation and collagen synthesis.
1 citations
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June 2021 in “International journal of pharmaceutical compounding” This study found that compounded minoxidil solutions in a propylene glycol-free and alcohol-reduced foam remained stable for 180 days, meeting United States Pharmacopeia standards for strength, pH, and antimicrobial effectiveness.
1 citations
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March 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” In this study, a new leave-on hair treatment with Dynagen and zinc salts significantly increased hair growth rate, fibre diameter, and follicle strength in healthy women.
1 citations
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January 2010 in “LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas)” In this study, adding conditioning agents PA1, PA2, and PA3 to light blonde oxidative hair dyes improved combability and protein retention of light brown hair without affecting tensile strength, though PA1 and PA2 offered enhanced thermal protection.
1 citations
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February 2025 This review highlights the potential health benefits of herbal-based hair oils, which incorporate ingredients like coconut oil, amla, and hibiscus, for strengthening hair, nourishing follicles, and promoting scalp health through their antibacterial and antioxidant properties.
August 2026 in “World Journal of Pharmaceutical Research” This study explored the creation and assessment of a tablet-form herbal shampoo made with natural ingredients such as Shikakai, Reetha, and Amla, reportedly improving hair shine, growth, and strength of roots without side effects, offering an eco-friendly alternative to conventional shampoos.
August 2026 in “International Journal of Advanced Research in Science Communication and Technology” This review highlights how herbal cosmetics, such as aloe vera and almond oil, are beneficial for hair care by enhancing hair strength, smoothness, and moisture, with minimal adverse reactions, as reported in an assessment of various product parameters.
July 2026 in “Berkala Ilmu Kesehatan Kulit dan Kelamin” This study found that serum containing keratin extract from chicken feathers combined with Aloe vera showed promising effectiveness for anti-hair loss treatment, with certain combinations outperforming the positive control in measures of hair strength and growth in rabbits.
This study found that camel hair treated with the photosensitizer Rose Bengal exhibited strong antibacterial properties against Staphylococcus aureus and Escherichia coli when exposed to visible light, achieving over 99.90% bacterial inhibition and maintaining robust mechanical strength.
In this study, researchers found two non-synonymous SNPs in the TERT gene associated with mean wool staple strength in sheep, suggesting TERT as a potential candidate gene for improving wool traits.
July 2026 in “Clinics in Dermatology” This review discusses the potential benefits of topical melatonin in aesthetic dermatology, including its antioxidant and protective properties for skin aging and photoaging, while also noting varying strengths of evidence across different skin conditions.
May 2026 in “International Journal of Health Management Review” This study found that the use of high pH chemical agents for hair straightening can cause significant damage to hair, including protein degradation and weakened fiber strength, and may lead to permanent scalp conditions like contact dermatitis and cicatricial alopecia.
This study developed a co-design framework using finite element analysis to optimize bubble microneedles, achieving controlled tip separation and effective drug delivery through the skin and mucosa while maintaining insertion strength.
May 2026 in “Advanced Materials Interfaces” This study reported that a new coating made with delaminated Ti₃C₂ MXene nano-sheets and a tea-derived compound effectively protects hair keratin from damage by providing UV screening, thermal dissipation, and antioxidation, while also enhancing mechanical strength and restoring wettability.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study observed that over 60 days, Amalaki Churna, when administered to 30 patients with non-cicatricial hair fall, significantly reduced hair fall and improved hair tensile strength without adverse effects, suggesting beneficial Rasayana and Keshya properties.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” In this study, Amalaki Churna, given at a dose of 3g twice daily, significantly reduced hair fall and improved hair strength in patients with non-cicatricial hair loss over 60 days, without reported adverse effects.
March 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study developed a natural herbal shampoo using curry leaves as the main ingredient, combined with other natural substances, aiming to enhance hair growth, strength, and natural darkening while reducing hair loss without the risks associated with chemical shampoos.
March 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This review discusses the formulation and evaluation of herbal hair serums, highlighting the use of natural ingredients like fenugreek, hibiscus, and kalonji, which are claimed to improve hair strength and scalp health.
February 2026 in “Humanities & Social Sciences Reviews” This study reviewed existing literature on mesotherapy as a treatment for androgenetic alopecia, finding that it may improve hair density and thickness with generally mild side effects, but emphasized variability in study designs limits the strength of these conclusions.