7 citations
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August 2018 in “Journal of cosmetic dermatology” Chemical hair straightening improves smoothness and shine but may cause side effects, suggesting a need for safer methods.
382 citations
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February 2010 in “Archives of Internal Medicine” A manufacturing error in a dietary supplement caused severe selenium poisoning, affecting many people and highlighting the need for stricter quality control.
10 citations
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April 1965 in “Journal of Nutrition” Changing mineral levels in rats' diets can prevent kidney stones, affect hair growth, and influence weight gain.
42 citations
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January 2011 in “Journal of Biomedical Optics” Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.
45 citations
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January 2016 in “Journal of Nanomaterials” Silver nanoparticles from Ziziphus nummularia leaves have better antibacterial, antifungal, antioxidant, and hair growth effects than the leaf extract alone.
6 citations
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January 1985 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Tumor cells in calcifying epithelioma of Malherbe resemble hair follicle cells.
18 citations
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April 2022 in “Frontiers in bioengineering and biotechnology” Gelatin microspheres with stem cells speed up healing in diabetic wounds.
September 2025 in “Clinical Toxicology” Contaminated wheat caused hair loss and other symptoms due to high selenium, but washing it with alkaline water helped.
September 2024 in “American Journal of Modern Physics” Calcium and Potassium levels in some Senegalese powdered milk samples exceed safe limits, posing health risks.
February 2013 in “Journal of the American Academy of Dermatology” Uncombable hair syndrome causes dry, frizzy hair that can't be combed flat, seen in a young child.
March 2025 in “Skin Appendage Disorders” Selenium disulfide shampoo effectively reduces dandruff and improves scalp health for all hair types.
10 citations
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July 2023 in “Pharmaceuticals” The gel with coral extract and pectin nanoparticles helps heal chronic wounds.
41 citations
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May 2012 in “Advanced Healthcare Materials” Human hair keratins improve cell adhesion and growth on culture surfaces.
4 citations
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January 1998 High calcium levels hinder wheat root growth, but not root hair formation.
Cassia HPTC is an effective hair conditioner, better than some traditional options.
April 2014 in “The FASEB Journal” Geranium Sibiricum L extract may promote hair growth by increasing growth factors and decreasing inhibitory factors under stress.
11 citations
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January 2000 in “Journal of cosmetic science” Hydrolyzed wheat proteins penetrate all hair types effectively.
3 citations
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June 2023 in “Modern Pathology” GLI1 RNA CISH effectively identifies basal cell carcinoma but is less specific for benign follicular tumors.
Agave tequilana extract in microneedles affects their structure and bioactivity, showing potential for skin treatments.
11 citations
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February 2018 in “Amino acids” Copper and iron cause keratin damage in hair by converting methionine to homocysteine.
2 citations
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July 2013 in “Acervo Digital da Universidade Estadual Paulista (Universidade Estadual Paulista)” The shampoo effectively defines and models curls while reducing frizz and volume.
7 citations
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January 2019 in “Annals of dermatology/Annals of Dermatology” Synthetic ceramides may help hair growth by boosting cell growth in hair follicles.
1 citations
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October 2010 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE” The skin fully recovered after using the optical clearing agent, showing no long-term harm.
16 citations
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January 1977 April 2020 in “International Journal of Cosmetic Science” The study found that minor protein differences between curved and straight Japanese hair are unlikely to significantly affect hair structure.
The shampoo with 10% SLS had the best physical properties.
1 citations
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January 2004 in “Cosmetics and toiletries” Polyquaternium-64 helps damaged hair look healthy again.
24 citations
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November 1978 in “Biochemistry” α-type filaments in guinea pig hair follicles have unique structural features.
3 citations
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December 2018 in “Routledge eBooks” Hair is made of strong keratin fibers that protect against the environment.
19 citations
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January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.