25 citations
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July 1994 in “Journal of dermatological science” Testosterone affects hair follicles differently across body sites, with beard hair follicles showing more activity of a specific enzyme and presence of androgen receptors compared to scalp hair.
21 citations
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June 2004 in “Experimental Dermatology” Ber‐EP4 marks cells related to the secondary hair germ in hair follicles.
10 citations
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July 1984 in “British Journal of Dermatology” Epidermal cysts come from the skin, while pilar cysts come from hair follicles.
6 citations
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January 1997 in “Medical Mycology” The fungus Piedraia hortae damages hair by slowly breaking down its layers, leading to long-lasting infection.
2 citations
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December 2023 in “Royal Society of Chemistry eBooks” Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.
September 2017 in “Journal of Investigative Dermatology” The research concluded that hyaluronic acid affects the formation and growth of hair follicle-like structures in a lab setting.
66 citations
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October 1999 in “Annals of the New York Academy of Sciences” The Skin POMC System affects hair growth and skin responses to stress.
August 2013 in “International Wound Journal” Non-hairy skin cells might be used to regenerate hair, helping with baldness and skin wounds.
GHK-Cu and propolis may help prevent scalp aging and hair loss.
98 citations
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July 2014 in “Trends in Molecular Medicine” Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Hair cuticles remain stable and resilient under stress due to strong protein content and crosslinking.
92 citations
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June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
22 citations
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June 2012 in “Journal of Investigative Dermatology” Adiponectin may stimulate hair growth and could be a potential treatment for promoting hair growth.
November 2022 in “Journal of Investigative Dermatology” The extract of Silybum marianum, Manganese PCA, and Lespedeza capitata can boost hair growth and extend the growth phase when combined in a serum.
September 2019 in “Journal of Investigative Dermatology” Apple stem cell extract may increase the number of stem cells in a part of the hair follicle.
Estrogen and its receptors play a key role in hair growth, with differences between males and females.
51 citations
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February 2004 in “Journal of Investigative Dermatology” MCSP may help identify and regulate skin stem cells, affecting hair growth and regeneration.
30 citations
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April 2009 in “Mycoses” Microsporum gypseum fungus breaks down keratin in hair by digesting it enzymatically, starting with less keratinized parts.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Thermal protectants help reduce hair damage from heat styling.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Thermal protectants help reduce hair damage from heat styling.
January 2006 in “Chinese Journal of Dermatology” Amelanotic melanocytes from hair follicles are immature and likely don't transfer melanosomes to keratinocytes.
40 citations
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September 2004 in “Biomacromolecules” The Glu413Lys mutation in keratin affects hair stability, while Glu413Asp does not.
23 citations
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June 2014 in “International Journal of Cosmetic Science” Glyoxylic acid is a safer alternative to formaldehyde for hair straightening and effectively changes hair structure.
12 citations
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July 2014 in “Journal of Investigative Dermatology” Chemotherapy causes complex changes in hair follicle cells that can lead to hair loss.
8 citations
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March 2020 in “Colloids and surfaces. B, Biointerfaces” Heating hair proteins changes their structure and may improve their blood clotting ability.
49 citations
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April 2006 in “Journal of Investigative Dermatology” TRPV1 helps regulate hair growth cycles.
47 citations
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April 2000 in “The American journal of pathology” Bcl-2 overexpression protects against UVB damage but worsens hair loss from chemotherapy.
June 2025 in “Molecular Therapy — Nucleic Acids” A new treatment using a DNA aptamer can promote hair growth by targeting a specific receptor.
107 citations
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May 1999 in “Archives of Dermatological Research” Basal cell carcinoma may start from parts of tiny hair follicles.
October 2021 in “Journal of Investigative Dermatology” Edelweiss extract may help prevent hair loss and increase hair density.