15 citations,
August 2017 in “International Journal of Molecular Medicine” Panax ginseng extract may help prevent hair loss caused by DKK-1.
15 citations,
May 2003 in “The Laryngoscope” FGF-1 causes spiral ganglion neurites to branch more.
15 citations,
January 1987 in “Electrophoresis” Human head hair proteins can be typed into eight distinct patterns, useful for genetic and forensic investigations.
12 citations,
January 2014 in “Cell structure and function” Different combinations of human hair keratins affect how hair fibers form.
11 citations,
April 2022 in “Biophysical Journal” Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.
11 citations,
January 2018 in “Royal Society Open Science” Scientists found genes linked to the growth of high-quality brush hair in Chinese Haimen goats.
11 citations,
July 2004 in “International Journal of Cosmetic Science” The conclusion is that a new method to measure hair shine was confirmed to match people's visual assessments.
10 citations,
January 2014 in “Genetics and Molecular Research” Liaoning Cashmere goat hair follicles show synchronized growth patterns with lowest activity in May.
10 citations,
November 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” Korean and Caucasian men with male pattern baldness have different hair steroid levels.
8 citations,
December 2020 in “The FASEB Journal” Blocking adenosine A2B receptor may prevent or treat hearing loss.
8 citations,
July 2012 in “Annals of biomedical engineering” Hair absorbs molecules differently based on their size, charge, and love for water, and less at higher pH; this can help make better hair products.
7 citations,
January 2015 in “Genetics and molecular research” The RORα gene is active in different parts of cashmere goat hair follicles and may be influenced by melatonin, especially in December when hair growth changes.
6 citations,
December 1966 in “Textile Research Journal” Animal hair fibers like wool and mohair are strong when dry, but vicuna fibers are very brittle.
4 citations,
December 2018 in “Macedonian Journal of Chemistry and Chemical Engineering” A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
3 citations,
September 2022 in “Frontiers in veterinary science” Melatonin affects cashmere growth in goats by influencing stem cell and certain signaling pathways.
3 citations,
April 2021 in “Journal of Cosmetic Dermatology” The micrometer caliper is a reliable tool for measuring hair diameter for FUE surgery.
3 citations,
July 2019 in “Experimental Dermatology” Hair loss patients may have different polyamine levels in various scalp areas.
1 citations,
January 2023 in “International journal of all research education and scientific methods” Hair analysis is better than urine and blood for detecting past drug use.
1 citations,
February 2021 in “Animal feed science and technology” Organic selenium may offer better retention and less waste in puppies.
April 2024 in “Journal of wildlife diseases” Muskox hair growth rates vary widely, so a single growth rate can't be used for all populations.
July 2023 in “Frontiers in veterinary science” Certain long non-coding RNAs are important for controlling hair growth cycles in sheep.
May 2023 in “Frontiers in chemistry” Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.
January 2023 in “Han'gug mi'saengmul saengmyeong gong haghoeji/Han-guk misaengmul saengmyeong gonghak hoeji” NOC-4 extract promotes black hair and hair growth effectively.
August 2019 in “Research Square (Research Square)” Certain long non-coding RNAs in cashmere goats affect hair growth when treated with a specific growth factor.
September 2017 in “Journal of Investigative Dermatology” Fermented mackerel oil was found to promote hair growth by activating certain cell signals and increasing cell growth.
Human scalp hair follicles have PGE2 and its receptors, which might affect hair growth.
August 2005 in “Microscopy and Microanalysis” Polymethylene wax in hair relaxers makes hair smooth and shiny with less damage.
159 citations,
December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
120 citations,
November 2014 in “Biological Reviews” The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.
103 citations,
June 2006 in “British journal of sports medicine” The document concludes that better biomarkers are needed to detect long-term oral testosterone use in athletes.