Penicillamine can cause taste problems due to copper loss, which can be fixed with copper or zinc supplements.
September 2022 in “International Journal of Trichology” Trichoscopic measurements help determine the severity of female pattern hair loss.
16 citations
,
October 2021 in “Trends in biotechnology” Future hair products will use ecofriendly proteins and peptides to improve hair health and appearance.
1 citations
,
January 2019 in “Archives of Clinical and Medical Case Reports” Changing hair's surface and structure can help protect its natural oils from being washed away.
99 citations
,
July 2005 in “Ultramicroscopy” The research improved understanding of hair and skin properties across different ethnicities and conditions.
75 citations
,
September 2015 in “Acta biomaterialia” Alkylation of human hair keratin allows for adjustable drug release rates in hydrogels for medical use.
35 citations
,
February 2003 in “Biochimica et Biophysica Acta (BBA) - General Subjects” Lead can help reveal and organize lipids in human hair.
33 citations
,
September 2018 in “Frontiers in Microbiology” Human hair shafts inhibit Gram-positive bacteria growth but not Gram-negative bacteria.
30 citations
,
November 1996 in “Archives of Dermatology” UV rays can cause a type of hair loss known as telogen alopecia.
8 citations
,
January 1996 in “Springer eBooks” Male pattern baldness may be caused by factors like poor blood circulation, scalp tension, stress, and hormonal imbalances, but the exact causes are still unclear.
3 citations
,
February 2023 in “ACS omega” Grape seed oil improved hair quality the most, followed by rosehip and safflower seed oils, and reduced damage from shampoo.
3 citations
,
September 2021 in “Data in brief” Bleaching hair changes its structure and weakens it, which is important for understanding hair damage and creating treatments.
2 citations
,
January 2019 in “Case Reports in Dermatology” A 66-year-old woman's thick scalp and hair loss were confirmed as lipedematous alopecia, a rare condition possibly influenced by genetics, with no effective treatment known.
1 citations
,
April 2023 in “Animals” Wnt and BMP pathways stimulate hair growth in Min pigs, with Wnt being more effective.
1 citations
,
March 2023 in “Journal of Natural Fibers” A gentler, less damaging method for curling hair using tyrosine works well initially but fades after washing.
1 citations
,
September 2016 in “Springer eBooks” Sebum production varies by individual and is influenced by age, gender, and hormones, affecting skin and hair health.
1 citations
,
January 2024 in “Scientific reports (Nature Publishing Group)” Human hair was used to make biodegradable plastic films that could be useful for packaging and disposable products.
November 2025 in “Archaeometry” Animal hair from 18th-century Mazamet burial sites shows locals used goat, badger, cow, or horse fur for clothing, indicating modest economic status.
November 2025 in “Journal of Natural Fibers” Human hair waste can be valuable in engineering and materials due to its unique properties.
989 citations
,
August 2007 in “The Lancet” PCOS is a complex condition with major health impacts, needing more research for better diagnosis and treatment.
288 citations
,
June 2009 in “Human reproduction update” The modified Ferriman-Gallwey method is a useful tool for diagnosing hirsutism.
198 citations
,
July 2011 in “Cochrane library” Lifestyle changes can improve body composition, excess male hormone levels, and insulin resistance in women with PCOS.
39 citations
,
January 2004 in “Physiological Research” Some men with early hair loss may have a condition similar to PCOS in women.
38 citations
,
December 2011 in “Journal of Dermatology” Use minoxidil for hair loss treatment, and finasteride for men.
14 citations
,
November 2013 in “Journal of the American Society for Horticultural Science” Glycine slows main root growth but boosts root hair growth in habanero peppers.
11 citations
,
May 2020 in “Anais Brasileiros de Dermatologia” Dermoscopy helps diagnose syphilitic alopecia, and treatment with penicillin can regrow hair.
10 citations
,
March 2019 in “Human Genetics” A genetic mutation in the SGK3 gene causes hairlessness in Scottish Deerhounds and may relate to human hair loss.
8 citations
,
March 2015 in “Neuromuscular Disorders” People with Myotonic Dystrophy type 1 are more likely to have certain skin conditions, but not more likely to get skin cancer.
5 citations
,
October 2013 in “Veterinary Clinics of North America: Equine Practice” Some horses lose hair without inflammation or itching due to various conditions, and while mainly a cosmetic issue, diagnosis requires examination and biopsies, and breeding is not advised if it's hereditary.
2 citations
,
July 2024 in “International Journal of Molecular Sciences” Csdc2 helps hair growth in cashmere goats by regulating specific genes.