August 2006 in “Experimental dermatology” Human scalp hair follicles can produce and respond to several hormones, affecting hair growth and pigmentation.
4 citations
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December 2020 in “Journal of the American Academy of Dermatology” Pulling 2 or fewer hairs is normal for all hair types, including Afro- and Asian-textured hair.
January 2023 in “Advances in pharmacology and clinical trials” Human hair is a significant sample for various tests in clinical, nutritional, archaeological, and forensic studies.
71 citations
,
October 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” HFMs can help study hair growth and test potential hair growth drugs.
Gray hair affects hair's movement and appearance, making it less bouncy and more wavy.
August 2012 in “Nature Cell Biology” Hair grows when stem cell offspring in the follicle base proliferate, influenced by the dermal papilla.
53 citations
,
April 1985 in “Developmental Biology” Fibronectin and other basement membrane components increase during hair growth and decrease during rest.
5 citations
,
September 2012 in “Journal of Investigative Dermatology” Scientists can mimic hair disorders by altering genes in lab-grown human hair follicles, but these follicles lack some features of natural ones.
38 citations
,
January 1988 44 citations
,
July 1993 in “Journal of Investigative Dermatology” April 2016 in “Journal of the American Academy of Dermatology” A 4-year-old girl had a rare hair disorder affecting only part of her scalp.
December 2025 in “IP Indian Journal of Clinical and Experimental Dermatology” Hair shaft disorders often indicate genetic or systemic issues and are managed by minimizing damage.
33 citations
,
October 1996 in “Journal of Investigative Dermatology” TGF-β1 and 2 in hair follicles may be linked to hair loss in AGA.
A new method was developed to gently isolate hair pigment while keeping its structure intact.
479 citations
,
January 2005 in “BioEssays” Hair follicle development is controlled by interactions between skin tissues and specific molecular signals.
31 citations
,
January 2004 in “Methods in cell biology” Hair and follicle keratins differ in structure and expression, especially in cysteine content.
133 citations
,
July 1994 in “Journal of Dermatological Science” Human hair growth can be influenced by certain growth factors and has specific metabolic needs.
97 citations
,
September 2011 in “British Journal of Dermatology” The human hair follicle can store topical compounds and be targeted for drug delivery with minimal side effects.
January 1994 in “Nihon Chikusan Gakkaiho” Collagen fibrils in mink skin change structure during hair growth, becoming looser and thicker in the active phase.
24 citations
,
January 1989 Human papilla cells from hair follicles show unique growth behaviors but don't induce hair growth in vitro.
May 2020 in “Research Square (Research Square)” Researchers found four key stages of cell development that are important for hair growth and shedding in cashmere goats.
130 citations
,
January 1994 in “Differentiation” Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.
85 citations
,
January 1991 in “Journal of Investigative Dermatology” 175 citations
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January 1995 in “Birkhäuser Basel eBooks” Human hair growth and structure are influenced by keratin proteins, genes, melanin, and lipids.
March 2023 in “Journal of Student Research” Humans likely became hairless to better regulate body temperature.
9 citations
,
January 2005 in “Experimental Dermatology” Human hair follicles can produce stress hormones like the body's main stress response system.
The research found that people's hair proteins vary by individual and body part, with some differences between ethnic groups, which could help in forensics.
2 citations
,
November 1992 in “Journal of dermatology” Hair cells grown in a lab showed specific hair proteins.
1 citations
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February 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” A peptide from hair follicle stem cells promotes hair growth by activating specific skin cells.