35 citations
,
July 2009 in “Optics express” Researchers created a new light source that improves chemical imaging by removing background noise.
7 citations
,
February 1998 in “Polymer journal” Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
Electrical stimulation with minoxidil boosts hair cell growth.
Depressed individuals have higher hair sodium and potassium levels, similar to changes seen in astronauts.
46 citations
,
May 2006 in “Laser Physics” Particles similar in size to hair cells penetrate hair follicles better.
33 citations
,
June 2017 in “Developmental Biology” Mice can correct hair follicle orientation without certain genes, but proper overall alignment needs those genes.
People with hair loss have more heavy metals in their hair.
1 citations
,
February 2024 in “Environmental health perspectives” Exposure to certain metals may worsen attention-related behaviors in adolescents, with stronger effects in females.
6 citations
,
January 2021 in “Journal of the mechanics and physics of solids/Journal of the Mechanics and Physics of Solids” The model shows that factors like follicle shape and stiffness are key for hair growth and anchoring.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Male-pattern baldness has a weak link to heart disease and some related health conditions.
28 citations
,
October 2014 in “Development” Fz3 and Fz6 can partially replace each other in tissue polarity and axon guidance.
33 citations
,
July 2007 in “Skin research and technology” Thicker hair is stronger, regardless of age, gender, or other factors.
January 2023 in “Theranostics” Mechanical force is important for the first contact between skin cells and hair growth in mini-organs.
7 citations
,
January 2018 in “PubMed” Low levels of iron, copper, and calcium may cause early hair graying.
January 2013 in “Wool textile journal”
December 2023 in “Materials Today Sustainability” Scientists made glow-in-the-dark dots from human hair that can detect iron, prevent counterfeiting, and reveal fingerprints.
17 citations
,
January 2018 in “International Journal of Trichology” Low levels of iron, copper, and calcium may contribute to premature hair graying.
5 citations
,
January 2018 in “International Journal of Trichology” Hair strength is similar across different scalp areas, and not affected by age, gender, or hair thickness.
5 citations
,
September 2014 in “Journal of Pharmaceutical Sciences” October 2025 in “International Journal of Cosmetic Science” Hair properties vary by ethnicity and environment, affecting surface charge and particle deposition.
1 citations
,
January 2018 in “Acta dermato-venereologica” A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.
26 citations
,
May 2011 in “Tissue Engineering Part A” Hydrogel surface properties affect mouse embryoid body differentiation.
48 citations
,
January 2002 in “Journal of Structural Biology” Trichocyte filaments have a low-density core and may include proteins for hair structure.
June 2019 in “Journal of Hypertension” Magnesium deficiency raises diastolic blood pressure and reduces vascular contraction.
January 2024 in “Journal of Cosmetic Dermatology” Men's and women's pattern hair loss progress differently, with men showing more hair thinning and women having more widespread hair loss.
5 citations
,
January 2012 in “Psychology” Depression may be linked to changes in body electrolytes and muscle inactivity, similar to effects of weightlessness.
13 citations
,
January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
Giant axonal neuropathy changes the structure of keratin in human hair, making it stiffer and stronger.
4 citations
,
December 1995 in “Anthropologischer Anzeiger” Family members have similar hair protein patterns, which could be useful for genetic studies.
April 2024 in “Journal of environmental management” Iron improves the DAMO-anammox process for treating water but too much iron can hinder it.