103 citations
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January 2006 in “Journal of Cell Science” The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.
30 citations
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December 2018 in “Trends in Endocrinology and Metabolism” Both immature and mature fat cells are important for hair growth cycles, with immature cells promoting growth and mature cells possibly inhibiting it.
27 citations
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July 1990 in “International Journal of Dermatology” A pulsed electrical field safely and effectively increased hair growth.
22 citations
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February 2002 in “Journal of theoretical biology” The model showed that randomness accurately describes individual hair growth cycles and that synchronization can cause large fluctuations not seen in humans.
10 citations
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January 2009 in “Elsevier eBooks” Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.
6 citations
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October 2018 in “PLoS ONE” Stress can slow hair growth and affect skin color by impacting the body's stress response system.
3 citations
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January 2019 in “Advances in stem cells and their niches” Dermal papilla cells are key for hair growth and color, influencing hair type and size, and their interaction with stem cells could help treat hair loss and color disorders.
16 citations
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April 2009 in “Dermatologic Surgery” The place where hair is transplanted can change its growth rate and length but not its thickness.
9 citations
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March 2019 in “European Journal of Sport Science” New signs like changes in blood markers, physical symptoms, and behavioral shifts may help detect hidden steroid use in athletes.
53 citations
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September 2007 in “Annals of the New York Academy of Sciences” Thymosin beta 4 helps hair grow by boosting stem cell activity.
32 citations
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August 2015 in “Journal of Investigative Dermatology” Prominin-1 expressing cells in the dermal papilla help regulate hair follicle size and communication but don't aid in skin repair.
2 citations
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September 2023 in “PLoS biology” Newly divided skin cells quickly move to join skin structures due to tissue tension and specific signals.
Keratinocytes grew and migrated into hair follicle areas but disappeared after 15-20 days.
January 2008 in “Dialnet (Universidad de la Rioja)” Certain compounds from Polygonum multiflorum roots may help treat hair loss.
January 1974 in “OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)” Oxidative stress causes hair graying by damaging hair follicle melanocytes more than skin melanocytes.
254 citations
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January 2012 in “Nature Reviews Molecular Cell Biology” Stem cell offspring help control their parent stem cells, affecting tissue health, healing, and cancer.
86 citations
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August 2000 in “Pigment cell research” Melanocyte activity in hair follicles is linked to the hair growth cycle, being active in growth phases and inactive in rest phases.
July 2016 in “Cancer research” Mutant cells in hair follicles are influenced by their location and interactions with surrounding cells.
49 citations
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November 2013 in “The Journal of Steroid Biochemistry and Molecular Biology” Vitamin D receptor helps control skin cell growth and hair development.
5 citations
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June 2018 in “Elsevier eBooks” Testosterone is important for male sexual traits, reproduction, muscle and bone health, blood production, and metabolism, and works both directly and after being changed into other hormones.
479 citations
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June 2014 in “Science” Epithelial stem cells can adapt and help in tissue repair and regeneration.
28 citations
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June 2015 in “Journal of circadian rhythms” An individual's morning or evening preference can predict changes in their body clock gene expression.
23 citations
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November 2018 in “Development, Growth & Differentiation” Epidermal stem cells have various roles in skin beyond just maintenance, including forming specialized structures and aiding in skin repair and regeneration.
17 citations
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March 2012 in “The Journal of Pathology” In vivo lineage labelling is better than in vitro methods for identifying and understanding stem cells.
10 citations
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June 2018 in “Journal of visualized experiments” The document concludes that the technique allows for the detection of LDH activity in various tissues, showing where cells are actively metabolizing glucose.
10 citations
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April 2008 Chitin nanofibrils can improve skin health and help deliver active ingredients into the skin.
7 citations
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June 2025 in “Nano Energy” The hydrogels heal infected diabetic wounds quickly and effectively.
6 citations
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May 2019 in “Journal of pharmaceutical sciences” Diffusion in artificial sebum is mainly influenced by molecular size and is much faster than in skin lipids.
1 citations
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July 2004 in “PubMed” The study found that higher levels of ET-1 and SCF in early-stage dermal papilla cells improve their ability to regenerate hair follicles.
December 2025 in “Aesthetic Surgery Journal” Exosomes are promising tools in aesthetic medicine for skin and hair regeneration.