10 citations
,
January 1985 in “PubMed” Trace elements like calcium, iron, and zinc are unevenly distributed in hair, while sulfur is even, and increased phosphorus and potassium levels are linked to skin reactions.
1 citations
,
January 2017 in “PubMed” All five hair fiber products improved appearance but didn't stick to completely bald areas.
10 citations
,
January 1980 in “Ultrastructural pathology” Green hair has high copper levels due to contaminated water and damaged hair cuticles.
4 citations
,
February 2007 in “Journal of the European Academy of Dermatology and Venereology” The study suggests silicon might be important for healthy hair, as less silicon was found in people with hair loss.
20 citations
,
December 1995 in “Veterinary Dermatology” Yorkshire Terriers with Colour Dilution Alopecia have reduced melanin and hair structure issues.
24 citations
,
December 1990 in “Pediatric Dermatology” Tight hairstyles like ponytails may cause hair casts by affecting scalp circulation and causing inflammation.
4 citations
,
May 2017 in “Pediatric Dermatology” The study found that Short Anagen Syndrome results in short hair growth not due to hair fragility, and hair may grow longer after puberty.
53 citations
,
September 1999 in “Journal of Synchrotron Radiation” Keratinous tissues have multiple structural layers, including ordered keratin and lipid granules.
2 citations
,
January 1986 in “PubMed” PIXE is an effective method to analyze hair's elemental composition.
16 citations
,
August 2014 in “Colloids and surfaces. B, Biointerfaces” Lipid-coated silica nanoparticles penetrate human skin more deeply than bare silica nanoparticles.
December 2025 in “Biopolymers” Heat worsens damage in chemically treated hair, especially bleached and straightened hair.
92 citations
,
April 2021 in “Pharmaceutics” Characterizing lipid nanoparticles is challenging due to issues with sensitivity, reproducibility, and reliability.
May 2017 in “Journal of microscopy and ultrastructure” Water quality affects mineral content in hair, and coconut oil can protect against damage.
11 citations
,
January 2004 in “Exogenous dermatology” Outside factors like grooming, chemicals, and the environment can damage hair and cause disorders.
Copper levels in green hair decreased significantly after treatment.
86 citations
,
October 2005 in “Experimental Dermatology” The Foxn1 gene mutation causes hairlessness and immune system issues, and understanding it could lead to hair growth disorder treatments.
6 citations
,
January 2007 in “Journal of the European Academy of Dermatology and Venereology” Mercury allergy linked to specific genes may contribute to burning mouth syndrome, and silicon might play a role in maintaining healthy hair.
15 citations
,
January 1971 in “British Journal of Dermatology” Hair can indicate early signs of metabolic disorders, with issues like protein deficiency stopping hair growth.
38 citations
,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Accurate clinical, histological, and genetic methods are key for understanding and treating hair disorders.
July 2011 in “Microscopy and microanalysis” Human hair's structure makes it tough and resistant to breaking.
54 citations
,
November 1994 in “Differentiation” Trichohyalin is found in non-hair tissues and works with filaggrin in certain skin areas and conditions.
264 citations
,
January 2008 in “Journal of biomedical optics” Zinc oxide nanoparticles in sunscreen do not penetrate deep into the skin.
11 citations
,
July 2021 in “Sustainability” Concrete made from animal bones and human hair is stronger and more environmentally friendly than traditional concrete.
3 citations
,
October 1994 in “Journal of Labelled Compounds and Radiopharmaceuticals” Scientists made a carbon-14 labeled version of a drug with a 48% yield and over 99% purity.
81 citations
,
January 2006 in “Journal of cellular physiology” Mice without the vitamin D receptor gene lose hair due to disrupted hair follicle cycles.
29 citations
,
November 2011 in “Veterinary pathology” The study found that mouse sweat glands develop before birth, mature after birth, and have specific keratin patterns.
20 citations
,
October 2018 in “American Journal of Clinical Dermatology” Some drugs can cause skin and hair color changes, often reversible when the drug is stopped.
18 citations
,
August 2018 in “The FASEB journal” Rabbits lacking the Hoxc13 gene show similar hair and skin issues to humans with ECTD-9, making them good for research on this condition.
10 citations
,
January 2016 in “Global Dermatology” Zinc helps manage skin disorders and deficiencies can worsen some conditions.
Understanding hair surface properties is key for effective hair care products.