21 citations,
November 2011 in “The journal of investigative dermatology/Journal of investigative dermatology” Telogen is an active phase with important biological processes, not a resting phase.
18 citations,
April 2014 in “Stem cells” The study found stem cells in minor salivary glands that can differentiate and are involved in tumor formation when exposed to tobacco.
18 citations,
November 2010 in “Journal of morphology” Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.
17 citations,
February 2015 in “Cell Death and Disease” Inhibiting AP1 in mice skin causes structural changes and weakens the skin barrier.
17 citations,
June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.
16 citations,
November 2020 in “International journal of pharmaceutics” Using longer PEG chains helps nanoparticles penetrate hair follicles better, improving drug delivery for conditions like alopecia.
15 citations,
January 2016 in “Przeglad Menopauzalny” Eating a balanced diet with specific nutrients is important for menopausal women to manage hair loss.
15 citations,
February 2015 in “Han-gug chugsan sigpum hag-hoeji/Korean journal for food science of animal resources” Egg shell membrane hydrolysates can reduce wrinkles and improve skin health.
15 citations,
January 1987 in “Electrophoresis” Human head hair proteins can be typed into eight distinct patterns, useful for genetic and forensic investigations.
14 citations,
September 1954 in “Textile Research Journal” Hair absorbs different substances from solutions based on pH levels.
13 citations,
March 2019 in “Journal of cosmetic dermatology” Heat damages hair, with Asian hair losing more protein than Caucasian hair.
13 citations,
December 1991 in “Annals of the New York Academy of Sciences” Researchers created a lab model to study human hair growth, showing it can grow and self-regulate outside the body.
12 citations,
July 2016 in “Forensic science international” The research found that postmortem root bands in hair are likely caused by the breakdown of a specific part of the hair's inner structure after death.
12 citations,
September 2018 in “Naturwissenschaften” Melatonin treatment increases a specific RNA in goat cells that boosts cashmere growth.
11 citations,
January 2014 in “The Scientific World Journal” Cynatine HNS improves hair and nail quality in 90 days.
9 citations,
May 2010 in “Journal of Investigative Dermatology” Human sebaceous glands can grow back in skin grafts on mice and work like normal human glands.
7 citations,
June 2021 in “JAAD Case Reports” A woman had hair loss, nail changes, and skin peeling after a COVID-19 infection, which got better on their own.
7 citations,
October 2020 in “International Journal of Cosmetic Science” Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.
6 citations,
December 2013 in “Journal of Cosmetic Dermatology” Pigmented concealing powders can improve the look of hair density for people with hair loss but need daily application and may not work well in wet conditions.
6 citations,
June 2012 in “Physiology” The document concludes that more research is needed to understand airway repair and to improve tissue engineering for lung treatments.
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.
5 citations,
February 2019 in “PloS one” Bald thigh syndrome in sighthounds is caused by structural defects in hair shafts due to downregulated genes and proteins.
5 citations,
January 2017 in “Elsevier eBooks” The document concludes that cosmetics need biocompatible, eco-friendly ingredients due to aging populations and demand for effective products.
5 citations,
January 2016 in “Genetics and Molecular Research” Researchers found 617 genes that behave differently in cashmere goat hair follicles, which could help understand hair growth.
4 citations,
January 2021 in “Skin appendage disorders” Hair straightening can damage hair and pose health risks, including exposure to carcinogens and hair loss.
4 citations,
January 2019 in “International journal of molecular sciences” Genetically modified sheep with more β-catenin grew more wool without changing the wool's length or thickness.
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.
4 citations,
April 1955 in “Textile Research Journal” The effectiveness of reducing agents on hair fibers depends on their electrode potentials.
3 citations,
September 2005 in “International Journal of Cosmetic Science” Different oils penetrate hair differently; monounsaturated oils like olive oil penetrate better than polyunsaturated oils.
3 citations,
August 1980 in “Acs Symposium Series” Hair increases in size when it absorbs water, and treatments like bleaching affect how much water it can take in.