February 2022 in “Cleveland Clinic Journal of Medicine” Prolonged use of topical corticosteroids can cause excessive hair growth.
Hair thickening procedures can help people with early hair loss when combined with proper scalp and hair care.
13 citations
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August 1985 in “The Journal of Dermatology” HKN-2 antibody targets specific skin and hair cells, showing keratin complexity.
12 citations
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January 2000 in “Journal of cutaneous medicine and surgery” Microorganism overgrowth and hyperkeratosis may trigger immune reactions causing lichen planopilaris.
7 citations
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June 2015 in “The anatomical record” Hexi cashmere goats' hair growth varies by stage, with Hoxc13 linked to hair activity.
September 2017 in “Journal of Investigative Dermatology” Activating the hexosamine pathway can improve skin health and increase hair follicle stem cells.
6 citations
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July 2017 in “Clinical and Experimental Dermatology” Four new cases confirmed the unique features of follicular porokeratosis.
277 citations
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July 2011 in “Journal of the Dermatology Nurses’ Association” The skin's layers protect, sense, and regulate the body's internal balance, but can be prone to cancer.
November 2025 in “Journal of Investigative Dermatology” Skin-associated cartilage cells can influence hair growth by altering specific signaling pathways.
January 2000 in “Zhongguo yixue wulixue zazhi” Different human hair keratin types have unique structures that affect how they dissolve and can be used to create self-tendons.
14 citations
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January 2021 in “Stem cell research & therapy” Human skin cells with stem-like features can help create new hair follicles and sebaceous glands when combined with other cells.
13 citations
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July 2016 in “BMC Complementary and Alternative Medicine” Hominis Placenta helps hair grow back by increasing cell growth and a specific growth factor.
February 2001 in “Chinese Journal of Dermatology” Epidermal growth factor (EGF) boosts the growth of hair follicle cells.
21 citations
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January 1999 in “Endocrine” 6 citations
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August 1975 in “Journal of Endocrinology” Cortisol and corticosterone thin mouse skin and regress hair follicles, while testosterone promotes skin and hair development.
7 citations
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January 2002 in “PubMed” Prolonged UVB exposure causes significant skin changes and damage in rats.
130 citations
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February 2005 in “Proceedings of the National Academy of Sciences” Corneal cells can transform into skin and hair cells through specific signals.
51 citations
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September 2012 in “Biomacromolecules” Disulfide bonds make keratin in hair stronger and tougher.
9 citations
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January 1990 in “Skin Pharmacology and Physiology” The method and source of keratinocytes affect the structure of reconstructed skin.
3 citations
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December 2013 in “American Journal of Dermatopathology” A rare skin growth in a baby was successfully removed without coming back.
8 citations
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November 2015 in “The American journal of dermatopathology/American journal of dermatopathology” Punctate follicular porokeratosis is a skin condition with specific features seen in hair follicles.
87 citations
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July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
May 2023 in “The journal of sexual medicine” Ovarian Hyperthecosis caused hypersexuality in an older woman and was successfully treated with surgery.
34 citations
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June 2008 in “In vitro cellular & developmental biology. Animal” Scientists created a long-lasting stem cell line from human hair that can turn into different skin and hair cell types.
28 citations
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July 2000 in “PubMed” Hair structure forms the same way inside and outside the body.
1 citations
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January 1963 in “The Anatomical Record” Glyceride levels in mouse skin are higher during hair growth.
April 2017 in “Journal of dermatological science” Removing PLCg1 from skin cells caused thicker oil glands and less hair in mice.
The "sinuskissen" in cat hair follicles is mostly connective tissue, affecting fluid flow.
13 citations
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January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
November 2012 in “Transplantation” Large corneum layer cells can cover wounds effectively.