October 2004 in “Radiotherapy and oncology” Active vitamin D3 might protect hair follicles from radiation damage.
194 citations,
March 2003 in “American Journal of Pathology” Stress stops hair growth in mice by causing early hair growth phase end and harmful inflammation through a specific nerve-related pathway.
159 citations,
December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
[object Object] 159 citations,
July 2006 in “Endocrine Reviews” Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.
131 citations,
July 2009 in “Experimental Dermatology” The document concludes that specific cells are essential for hair growth and more research is needed to understand how to maintain their hair-inducing properties.
109 citations,
December 1998 in “The Journal of Dermatology” Manipulating the catagen and telogen phases of hair growth could lead to treatments for hair disorders.
96 citations,
September 2017 in “Analytica Chimica Acta” Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.
93 citations,
February 2008 in “Atmospheric environment” Ozone reacts more with unwashed hair, producing compounds due to scalp oils, which could lower ozone exposure but increase exposure to reaction products.
91 citations,
January 2009 in “International Journal of Trichology” Different hair evaluation methods have their own pros and cons, and using multiple methods together is best for accurate hair loss diagnosis and tracking.
91 citations,
May 2003 in “American Journal of Pathology” Prolactin affects hair growth cycles and can cause early hair follicle regression.
77 citations,
July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
76 citations,
January 2019 in “Nanoscale” Created material boosts hair growth and kills bacteria for wound healing.
70 citations,
February 2015 in “Expert Opinion on Drug Discovery” Topical drugs and near-infrared light therapy show potential for treating alopecia.
70 citations,
February 2017 in “Dermatologic Surgery” Treatment with plasma rich in growth factors improved hair density and thickness for hair loss patients.
66 citations,
July 2015 in “Journal of Molecular Biology” The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.
61 citations,
April 2012 in “British Journal of Dermatology” Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.
59 citations,
August 2003 in “Phytotherapy Research” Ginseng, especially red ginseng, helps hair grow by increasing blood flow and energy to hair roots.
57 citations,
March 2013 in “Journal of Dermatological Science” Improving the environment and cell interactions is key for creating human hair in the lab.
52 citations,
October 2004 in “Veterinary dermatology” Melatonin and mitotane treatment led to hair re-growth in 62% of dogs with Alopecia X, but this was not always linked to normal hormone levels.
50 citations,
August 1999 in “Experimental dermatology” The control system for hair growth cycles is not well understood and needs more research.
49 citations,
January 2003 in “American Journal of Clinical Dermatology” Effective management of children's hair loss involves accurate diagnosis, various treatments, and supportive care.
48 citations,
May 2015 in “NPJ microgravity” A 3-month stay in space causes skin thinning, disrupts hair growth, and changes muscle-related genes in mice.
47 citations,
January 2013 in “International Journal of Cosmetic Science” Hair diversity is influenced by complex genetics and environmental factors, requiring more research for practical solutions.
39 citations,
September 2011 in “Tissue Engineering Part B-reviews” Hair follicle regeneration in skin grafts may be possible using stem cells and tissue engineering.
36 citations,
August 2011 in “Journal of dermatological science” Human hair has a protective lipid layer that can be damaged by moisture and treatments, affecting hair growth and health.
35 citations,
April 2014 in “Journal of proteomics” Feed restriction in sheep leads to finer wool fibers but may reduce wool quality.
35 citations,
October 2012 in “Dermatologic Clinics” Autoimmune diseases can cause hair loss, and early treatment is important to prevent permanent damage.
33 citations,
October 2010 in “Journal of Dermatological Science” Hair follicle stem cells are a practical and ethical option for nerve repair in regenerative medicine.
[object Object] 32 citations,
September 2016 in “Dermatologic Surgery” The evidence for using Low-Level Laser Therapy for hair loss is limited and more thorough research is needed.
31 citations,
February 2020 in “BioMed Research International” Thai people's hair density decreases with age and varies by scalp area, but hair thickness stays the same regardless of age or scalp area.