April 2017 in “The Journal of urology/The journal of urology” SHH protein helps nerve regeneration in hypertensive rats.
115 citations,
November 2004 in “Brain Behavior and Immunity” Stress increases nerve fibers and immune cell activity in mouse skin, possibly worsening skin conditions.
18 citations,
January 1994 in “Skin pharmacology and physiology” Sunlight damages hair, causing cuticle loss, protein changes, and discoloration.
17 citations,
December 2010 in “Journal of Investigative Dermatology” Flightless I protein affects hair growth, with low levels delaying it and high levels increasing hair length in rodents.
35 citations,
April 2014 in “Journal of proteomics” Feed restriction in sheep leads to finer wool fibers but may reduce wool quality.
September 2019 in “Mağallaẗ al-ʿulūm al-ṭabīʿiyyaẗ wa-al-ḥayātiyyaẗ wa-al-taṭbīqiyyaẗ” Camel hair from Afif can be improved for textiles by adding chemicals or blending with other fibers.
November 2022 in “International journal of trichology” Glyoxylic acid straighteners cause more protein loss but have similar hair strength effects as traditional alkaline straighteners.
19 citations,
May 2008 in “Applied spectroscopy” Human hair has different protein structures in its cuticle and cortex.
8 citations,
May 2020 in “International journal of biological macromolecules” Certain treatments can increase protein binding to natural hair but are less effective on permed hair.
3 citations,
December 2018 in “Routledge eBooks” Hair is made of strong keratin fibers that protect against the environment.
4 citations,
August 2014 in “Journal of molecular structure” Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.
33 citations,
July 2007 in “Skin research and technology” Thicker hair is stronger, regardless of age, gender, or other factors.
8 citations,
January 1968 DMSO causes reversible swelling in hair but has a complex, less reversible effect on skin.
12 citations,
January 2014 in “Cell structure and function” Different combinations of human hair keratins affect how hair fibers form.
2 citations,
September 2022 in “Frontiers in genetics” Different proteins are linked to the varying thickness of sheep and goat hair types.
13 citations,
January 2017 in “Cosmetics” Different tests are used to see how hair care products affect hair, and choosing the right test is important for accurate results.
16 citations,
October 2021 in “Trends in biotechnology” Future hair products will use ecofriendly proteins and peptides to improve hair health and appearance.
11 citations,
August 2018 in “Asian-Australasian journal of animal sciences” Short daily photoperiods improve cashmere production in Inner Mongolia white cashmere goats.
6 citations,
September 2009 in “European journal of histochemistry” CD90 is present on specific cells in dog hair follicles.
1 citations,
December 2012 in “PubMed” Permanent wave treatment with thioglycolic acid changes hair structure by altering disulfide bonds.
January 2020 in “Indian dermatology online journal” Hair styling products can damage hair over time.
April 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” HSD11b1 affects skin nerves and increases non-histaminergic itch.
January 2017 in “Clinical approaches and procedures in cosmetic dermatology” Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.
17 citations,
June 2018 in “Frontiers in Physiology” ADM scaffolds help skin heal by promoting a healing-type immune response.
6 citations,
December 2019 in “BMC Complementary and Alternative Medicine” Alcohol extract from Vernonia anthelmintica seeds may help treat stress-related hair loss.
2 citations,
January 2008 in “International Journal of Neuroscience” A 38-year-old man was diagnosed late with Kearns-Sayre syndrome after being wrongly treated for epilepsy.
Hair can naturally regain color, and stress might influence greying and its reversal.
February 1999 in “The anatomical record” Two mouse mutants have defective hair cuticle cross-linking.
46 citations,
March 2019 in “Journal of Pineal Research” Melatonin improves cashmere goat hair growth and quality by increasing antioxidants and reducing cell death.
25 citations,
December 1995 in “Neurology” The research found that chickenpox virus spreads in skin through blood then to skin cells, while shingles virus moves from nerves to hair follicle areas before infecting skin cells.