6 citations,
November 1988 in “Journal of the American Academy of Dermatology” The document concludes that hair analysis is not good for assessing nutrition but can detect long-term heavy metal exposure.
5 citations,
October 2012 in “Expert Review of Dermatology” Trichoscopy is a useful tool for diagnosing hair and scalp diseases without needing skin biopsies.
2 citations,
June 2000 in “Journal of The American Academy of Dermatology” Mutation in hairless gene may increase hair loss risk.
February 2022 in “International journal of research in dermatology” The document concludes that proper diagnosis and treatment of hair shaft disorders require understanding their unique causes and avoiding hair-damaging practices.
April 2021 in “Arab Journal of Nuclear Sciences and Applications/Arab Journal of Nuclear Sciences and Applications ” Repeated use of protein hair conditioner with heat or gamma irradiation can harm skin and hair health in rats.
30 citations,
May 1980 in “Journal of the American Academy of Dermatology” Alopecia areata can cause spotty white areas on nails.
July 2024 in “Experimental Dermatology” AP collagen peptides help hair grow and improve hair health.
May 2022 in “European medical journal” An 11-year-old girl with Trichotillomania developed a large hairball in her stomach, treated with medication, therapy, and family education.
May 2022 in “European medical journal” An 11-year-old girl with a hair-pulling disorder had a hairball in her stomach and was treated with medication, therapy, and a team of doctors.
20 citations,
September 2018 in “Journal of colloid and interface science” Modified keratin binds better to hair, especially bleached hair.
2 citations,
December 2019 in “Textile Research Journal” L-cysteine and ultrasound successfully improved rabbit hair fibers for industrial use.
Hair keratin treatments can be harmful, potentially causing health issues like skin reactions and cancer.
20 citations,
July 1988 in “Clinics in dermatology” Thioglycolate lotions are the most popular method for permanent waving and hair straightening.
4 citations,
June 2022 in “Journal of cleaner production” New eco-friendly method strengthens and sets hair using light and causes less damage.
2 citations,
June 2022 in “Life” A 14-year-old boy is the youngest person reported with a rare, benign tumor related to hair follicles, usually found in older people.
42 citations,
April 2008 in “Acta materialia” Different ethnicities and treatments affect human hair strength and structure.
3 citations,
July 2012 in “British journal of hospital medicine” The guide helps clinicians diagnose and manage hair loss, detailing examination techniques and treatments for different types of alopecia.
November 2023 in “International Research Journal of Modernization in Engineering Technology and Science” Herbal shampoos clean and improve hair naturally without harmful side effects.
August 2024 in “Cosmetics” K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.
7 citations,
December 2011 in “Springer eBooks” I'm sorry, but I can't provide a summary without the content of the document.
29 citations,
August 2005 in “Biopolymers” L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
40 citations,
July 2015 in “Journal of Cellular Biochemistry” Cysteine helps maintain keratin production in skin cells even when iron is low.
65 citations,
September 2014 in “BMC genomics” Different hair types in mammals are linked to variations in specific protein genes, with changes influenced by their living environments.
11 citations,
April 2022 in “Biophysical Journal” Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.
6 citations,
October 2016 Understanding how keratin structures in hair are arranged and interact is key for creating methods to extract and purify them.
36 citations,
November 2019 in “Molecular biology and evolution” Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.
January 2024 in “Molecules (Basel. Online)” Juglone from walnut extracts may help repair damaged hair.
December 2023 in “Journal of comparative pathology” A dog had a rare skin cyst, known as a dilated pore of Winer, surgically removed from its neck.
5 citations,
January 2022 in “Scientific reports” The research identified two types of keratinocytes in chicken scales: one for hard scales and another for soft skin, with similarities to human skin differentiation.
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.