December 2022 in “Himi, himijn tehnologijn hùrèèlèngijn èrdèm šinžilgèènij bùtèèl” Hair products with copper and zinc enriched yeast made hair thicker and denser.
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 2024 in “International Journal of Trichology” Hair root dermoscopy is a simple, noninvasive tool to diagnose telogen effluvium.
4 citations
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July 2010 in “International Journal of Cosmetic Science” Curved human hair has different structures on its convex and concave sides.
Giant axonal neuropathy changes the structure of keratin in human hair, making it stiffer and stronger.
December 2014 in “PubMed” A scalp biopsy can help confirm hair loss types when other methods don't provide a clear diagnosis.
16 citations
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July 2016 in “Veterinary Dermatology” Dermoscopy is useful for diagnosing hair loss patterns in dogs.
49 citations
,
June 2004 in “Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences” Human hair becomes weaker and stretches more easily at higher temperatures.
34 citations
,
December 1991 in “Annals of the New York Academy of Sciences” The conclusion is that small hair follicles cause baldness in macaques, and treatments like antiandrogens and minoxidil can prevent hair loss and promote regrowth.
Dermoscopy is useful for diagnosing hair loss patterns in dogs.
February 2009 in “Journal of the American Academy of Dermatology” Transverse sections are better for non-scarring hair loss, vertical sections are better for lichen planopilaris, and either method works for other scarring hair loss types.
Hair cortisol content can indicate cortisol exposure and varies with age, puberty, and BMI in youth.
296 citations
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October 2018 in “General and Comparative Endocrinology” Hair cortisol is a reliable way to measure long-term stress in animals.
24 citations
,
November 1978 in “Biochemistry” α-type filaments in guinea pig hair follicles have unique structural features.
A 5% pomegranate peel water extract optimally enhances hair growth.
September 2025 in “International Journal of Ayurvedic Medicine” Hair medulla patterns vary by Prakruti type, affecting hair strength.
3 citations
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April 2015 in “Current problems in dermatology” A more sensitive assay was developed to detect enzyme activity converting arginine to citrulline in hair follicles.
July 2023 in “Biomolecules” The new "whisker follicle microinjection assay" can test how different biomolecules affect hair growth and color.
7 citations
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April 1996 in “British Journal of Dermatology” Hair structural proteins are synthesized sequentially in specific cells, offering a new way to study hair proteins and defects.
January 2026 in “Dermatology Practical & Conceptual” Nail changes are common in alopecia areata and can indicate its severity.
PRP is effective for treating hair loss in men.
January 2010 in “SÖFW-Journal” A natural moisturizer can make hair stronger.
May 2026 in “SKIN The Journal of Cutaneous Medicine” The gummy supplement effectively promotes hair growth and is safe for women with hair thinning.
23 citations
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March 2016 in “American Journal of Primatology” In female rhesus monkeys, hair gain is linked to reduced stress levels.
100 citations
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June 2006 in “British Journal of Dermatology” Hair loss severity relates to increased miniaturization in female pattern hair loss.
May 2021 in “Pakistan Journal of Medical and Health Sciences” Trichogram is useful for diagnosing hair disorders, but newer, non-invasive methods like trichoscopy are becoming more popular due to their sensitivity and ability to monitor treatment responses.
33 citations
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June 2016 in “Pediatric Dermatology” Some congenital hair disorders improve in childhood or with treatments like minoxidil and retinoids, while others like Netherton syndrome and trichothiodystrophy have a poor prognosis.
46 citations
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June 2013 in “Journal of structural biology” High glycine–tyrosine keratin-associated proteins help make hair strong and maintain its shape.
11 citations
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January 2016 in “Mycoses” Human black hair is best for distinguishing between T. mentagrophytes and T. verrucosum.
Biotin boosts wool growth and follicle health in sheep.