November 2025 in “Journal of Investigative Dermatology” Hair follicle stem cells help maintain skin health after injury.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Changing the structure of the hair follicle's environment can affect hair quality but doesn't stop hair growth.
July 2022 in “Journal of Investigative Dermatology” Cyclohexyl salicylate promotes human hair growth and increases certain hair follicle stem cell progeny.
January 2020 in “Journal of St. Marianna University” Human placenta extract may promote hair growth by affecting certain lipid compounds.
April 2010 in “Cancer Research” CDK4 levels affect the number of hair follicle stem cells in mice.
January 2006 in “Chieh P'ou Hsueh Pao” Beta-catenin boosts hair follicle cell growth by increasing c-myc expression.
Collagen gel contraction in hair follicle culture is mainly influenced by the amounts of collagen, dermal papilla cells, and epithelium cells.
January 1994 in “Skin research” EGF and TGF-α help maintain hair cell cultures, but TGF-β1 stops their growth.
53 citations
,
January 2009 in “Journal of Investigative Dermatology” UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.
240 citations
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April 2011 in “Pigment Cell & Melanoma Research” Melanocyte stem cells in hair follicles are key for hair color and could help treat greying and pigment disorders.
154 citations
,
October 1996 in “Proceedings of the National Academy of Sciences of the United States of America” Estrogen affects hair growth and skin cell multiplication.
94 citations
,
September 2014 in “Therapeutic Delivery” Nanoparticles can improve skin treatments by better targeting hair follicles, but more research is needed for advancement.
38 citations
,
June 2019 in “International Journal of Molecular Sciences” Tiny particles called extracellular vesicles could help with skin healing and hair growth, but more research is needed.
August 2023 in “The Indonesian Biomedical Journal” Rosemary essential oil improved hair growth and thickness in UVB-exposed mice.
November 2014 in “Surgical research updates” Platelet Rich Plasma (PRP) may improve hair transplant success by increasing blood vessel and hair follicle growth.
14 citations
,
April 2000 in “Animal Science/Animal science” Nutrients like vitamins, copper, zinc, and amino acids are crucial for healthy hair and wool growth.
8 citations
,
January 1989 in “PubMed” Minoxidil did not affect hair growth in newborn mice.
416 citations
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September 1997 in “Journal of Investigative Dermatology” People with hair loss have more androgen receptors and enzymes in certain follicles, with men and women showing different patterns.
54 citations
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April 2019 in “Journal of cellular physiology” miR-218-5p helps skin and hair growth by targeting SFRP2 and activating a specific signaling pathway.
April 2025 in “International Journal of Pharmaceutics” Liposomes improve minoxidil delivery to hair follicles, enhancing treatment for hair loss.
January 2015 in “SciDok (Saarland University and State Library)” Clobetasol nanocarriers can be effectively delivered to hair follicles, with uptake improved by massage and affected by particle type.
39 citations
,
December 2011 in “PLoS ONE” Radiofrequency exposure can stimulate hair growth by increasing IGF-1 in hair follicle cells.
34 citations
,
December 1991 in “Annals of the New York Academy of Sciences” Differences in enzyme activity and androgen receptors in hair follicles may explain why hair loss appears differently in men and women.
1 citations
,
June 2021 in “Singapore Medical Journal” Dutasteride and finasteride can help increase hair growth gene expression but need further improvement.
February 2026 in “ACS Applied Materials & Interfaces” Carbon dots from Cinnamomum burmannii leaves can promote hair growth and regeneration.
34 citations
,
September 1997 in “Acta Dermato Venereologica” RXR agonists may promote hair growth in humans.
29 citations
,
March 2015 in “Journal of Investigative Dermatology” Cyclosporine A promotes hair growth and prolongs the active growth phase in human hair follicles, but may work differently than in rodents.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Aging causes changes in scalp cells that can negatively affect hair health.
January 2016 in “Lithuanian University of Health Sciences” Different diseases cause specific skin and hair follicle changes in dogs with alopecia.
55 citations
,
September 2003 in “Experimental Dermatology” PDGF signaling may play a role in hair growth cycle regulation.