September 1984 in “Journal of Biological Education” Human hair growth involves active, resting, and intermediate phases, and examining plucked hairs can teach students about hair biology and diseases.
Forensic hair analysis for drugs is now more reliable and accurate.
52 citations
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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.
18 citations
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August 2019 in “Journal of Cosmetic Dermatology” PRP therapy may increase hair density in pattern hair loss without serious side effects, but more research is needed.
15 citations
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January 1971 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Hair analysis can't determine ponies' calcium and phosphorus levels; use soil and feed tests instead.
6 citations
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September 2010 in “Animal” Selecting Angus cattle for earlier puberty lowers prolactin levels but doesn't affect hair growth.
11 citations
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September 2020 in “Steroids” A new method accurately measures steroid hormones in a few hair strands and could help study chronic stress and hair loss.
February 2026 in “International Journal of Basic & Clinical Pharmacology” Cosmetovigilance and clinical pharmacists can enhance safety in cosmetic treatments, especially for those with diabetes.
Polarized microscopy helps identify hair irregularities in genetic disorders.
June 2024 in “Nature Cell and Science” The Scalp Coverage Scoring method reliably measures hair density from images.
January 2024 in “Forte Journal” The hair oil with lemongrass and coconut oil promotes hair growth effectively.
January 2024 in “Journal of dermatology and skin science” Topical aprepitant reduces skin rash and hair loss caused by cancer treatment.
October 2023 in “Sinkron” The system can accurately classify hair diseases with 94.5% accuracy using a CNN.
April 2023 in “Acta Poloniae Pharmaceutica” Herbal extract shampoo increased certain minerals in hair and improved hair growth and scalp health.
December 2021 in “Bandung Conference Series. Pharmacy” Herbal extracts mixed with coconut oil can effectively promote hair growth.
February 2010 in “Journal of The American Academy of Dermatology” Social or cultural norms, not hair type, more likely influence how often people wash their hair.
16 citations
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June 2017 in “PLoS ONE” A 6-group hair classification is more reliable for drug testing than an 8-group system.
97 citations
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March 2002 in “Molecular and cellular biology” Mutant CDP/Cux protein causes hair defects and reduced male fertility in mice.
5 citations
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January 2010 in “The anatomical record” Most dogs have hair whorls on their chest and limbs, with shelter dogs and short-haired dogs having more chest whorls.
June 2023 in “Journal of Pharmaceutical and Health Research” Caffeine hair tonic with 0.001% concentration was more effective in promoting hair growth on guinea pigs.
59 citations
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January 2013 in “Annals of Dermatology” Asian hair is more resistant to UV damage due to higher lipid content.
46 citations
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July 2007 in “Journal of comparative neurology” Manatee whiskers are specially adapted for touch in water.
35 citations
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May 2012 in “Cochrane Database of Systematic Reviews” Minoxidil effectively treats female pattern hair loss.
21 citations
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May 2016 in “The Cochrane library” Topical minoxidil helps treat female pattern hair loss, but more research needed for other treatments.
20 citations
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July 2009 in “Journal of Pediatric and Adolescent Gynecology” Quick treatment of hair disorders in teenage girls is important because of the emotional effects.
7 citations
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October 2017 in “The Prostate” Baldness in men with prostate cancer is linked to higher levels of certain sex hormones, but chest hair density is not.
6 citations
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July 2018 in “Scientific Reports” Methamphetamine affects gene expression in rat whisker follicles, with key genes linked to addiction.
4 citations
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July 2020 in “International Journal of Cosmetic Science” All hair removal methods irritate underarm skin and cause dryness, with shaving being less irritating but more drying than plucking or waxing.
1 citations
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January 2013 in “Chronicles of young scientists” Immuno-cosmeceuticals from chicken egg yolk can effectively repair and improve damaged hair.
November 2025 in “Communications Biology” Human hair contains many different molecules that change along its length, influenced by personal care products.