41 citations,
June 2006 in “Journal of Investigative Dermatology” Beard and scalp hair cells have different gene expressions, which may affect beard growth characteristics.
82 citations,
January 2002 in “Journal of drug targeting” Drugs penetrate scalp skin better than abdominal skin, with scalp hair follicles aiding in higher drug delivery.
13 citations,
December 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Nicotinamide applied to the scalp can slow down hair growth.
5 citations,
April 2023 in “BMC Microbiology” Shampoo with heat-killed Lacticaseibacillus paracasei GMNL-653 improves scalp health and hair growth by changing scalp bacteria.
November 2023 in “Journal of Basic Microbiology” Green-synthesized zinc oxide nanoparticles effectively inhibit common fungi found on human scalp hair.
Trichoriboside treatment helps maintain scalp hair by increasing cAMP levels in hair follicles of men with hair loss.
13 citations,
January 2010 in “Advances in Biochemical Engineering / Biotechnology” Understanding hair biology is key to developing better treatments for hair and scalp issues.
December 2023 in “Scientific Reports” Scientists created cell lines from balding patients and found that cells from the front of the scalp are more affected by hormones that cause hair loss than those from the back.
100 citations,
September 1999 in “British Journal of Dermatology” The study found that two enzymes linked to hair loss are located in different parts of the scalp, supporting a common treatment's effectiveness.
36 citations,
November 2009 in “Journal of Investigative Dermatology” Prolactin may affect hair growth differently based on gender and scalp area.
61 citations,
July 2011 in “PLOS ONE” Spermidine may help reduce hair loss and deserves further testing as a treatment.
31 citations,
December 2002 in “Biochimica et biophysica acta. G, General subjects/Biochimica et biophysica acta. General subjects (Online)” The research found two types of calcium in human hair, one that varies among individuals and another that is consistent across people.
28 citations,
March 2010 in “Histochemistry and Cell Biology” Different markers are found in stem cells of the scalp's hair follicle bulge and the surrounding skin.
12 citations,
May 2012 in “Endocrinology and metabolism/American journal of physiology: endocrinology and metabolism” Human scalp hair follicles can be used to study how prolactin affects hair growth and cell death.
April 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Human hair follicles can be used to create heart muscle cells.
April 2016 in “Journal of Investigative Dermatology” Autophagy, a cell recycling process, is crucial for prolonged hair growth and could be a potential target for treating hair growth disorders.
September 2013 in “中国医师杂志” Human scalp hair follicles grow well in Williams E medium, which may help with hair transplants.
4 citations,
January 2015 in “Experimental Dermatology” Human hair follicle dermal cells can help repair damaged hair follicles.
January 2023 in “Frontiers in bioscience” Artemis protein may help control hair growth and health by influencing cell processes.
3 citations,
February 2021 in “FEBS open bio” Camellia japonica extract may improve scalp health and promote hair growth.
205 citations,
March 2012 in “Science Translational Medicine” PGD2 stops hair growth and is higher in bald men with AGA.
159 citations,
December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
73 citations,
April 2019 in “Experimental Dermatology” The scalp's microorganisms significantly affect hair health and disease.
28 citations,
November 2018 in “Journal of structural biology” Different populations have distinct hair structures related to their ancestry.
13 citations,
December 1991 in “Annals of the New York Academy of Sciences” Researchers created a lab model to study human hair growth, showing it can grow and self-regulate outside the body.
27 citations,
November 2005 in “Archives of Dermatological Research” Choosing hair follicles at the same growth stage leads to more consistent hair growth experiments.
19 citations,
March 1996 in “British Journal of Dermatology” Balding hair follicle cells are smaller, grow less well, and need more effort to culture than non-balding cells.
17 citations,
May 2003 in “Journal of The American Academy of Dermatology” Hair from balding and non-balding areas regrows similarly on mice.
1 citations,
January 2017 in “Elsevier eBooks” The document concludes that new treatments for hair loss may involve a combination of cosmetics, clinical methods, and genetic approaches.
August 2016 in “Journal of Investigative Dermatology” Human hair follicles have a scent receptor that can influence hair growth.