Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
January 2013 in “Transactions of the Materials Research Society of Japan” CMADK reduces hair damage from bleaching and permanent waving.
52 citations,
November 2013 in “European Journal of Pharmaceutical Sciences” Chitosan-decorated polymersomes improve finasteride delivery for hair loss treatment.
9 citations,
January 1989 in “Sen'i Gakkaishi” Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.
119 citations,
November 2014 in “Trends in Cell Biology” Fibroblast growth factor receptor signaling controls cell development and repair, and its malfunction can cause disorders and cancer, but it also offers potential for targeted therapies.
January 2025 in “Cellular and Molecular Biology” The PIP5K1A gene helps cashmere growth in goats by promoting cell proliferation, and melatonin boosts its expression.
August 2016 in “Journal of Investigative Dermatology”
August 2016 in “Journal of Investigative Dermatology” The endocannabinoid system affects oil production and inflammation in skin cells.
42 citations,
April 2008 in “Acta materialia” Different ethnicities and treatments affect human hair strength and structure.
25 citations,
May 2019 in “Heliyon” Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.
7 citations,
August 2009 in “Applied Mathematics and Mechanics-English Edition” Hair fibers have fractal patterns with properties related to the golden mean, which may affect their functionality.
90 citations,
January 1979 in “International review of cytology” Wool follicles are complex, involving interactions between different cell types and structures.
August 2016 in “Journal of Investigative Dermatology” Zinc deficiency disrupts hair growth and cycle, but zinc supplements can fix this.
17 citations,
July 2019 in “Scientific reports” Surface and internal treatments can help prevent hair lipid loss during washing.
286 citations,
April 2009 in “The journal of neuroscience/The Journal of neuroscience” TRPA1 is crucial for mechanical sensitivity in skin sensory neurons.
August 2016 in “Journal of Investigative Dermatology” The research found that certain microRNAs are important for human hair growth and health.
88 citations,
August 2008 in “Development” BMP2 and BMP7 have opposite roles in feather formation.
1 citations,
March 2024 in “Signal transduction and targeted therapy” NF-κB signaling is crucial in many diseases and can be targeted for new treatments.
Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.
20 citations,
January 2017 in “Scientific reports” Whale genes show changes that help them live in water, like less hair and better flippers.
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.
41 citations,
November 2020 in “Colloids and surfaces. B, Biointerfaces” Different hair protein amounts change the strength of keratin/chitosan gels, useful for making predictable tissue engineering materials.
1 citations,
January 2013 in “Chronicles of young scientists” Immuno-cosmeceuticals from chicken egg yolk can effectively repair and improve damaged hair.
7 citations,
February 1998 in “Polymer journal” Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
1 citations,
October 2021 in “Indian Journal of Plastic Surgery/Indian journal of plastic surgery” Proper hair care and safe use of hair products are crucial for those with hair loss.
42 citations,
January 2011 in “Journal of Biomedical Optics” Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.
4 citations,
January 2015 in “Sen'i Gakkaishi” Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
September 2023 in “Asian journal of beauty & cosmetology” Lipids are important for healthy hair, but their exact role is not fully understood and needs more research.
6 citations,
January 2015 in “Biochemical Society Transactions” The Ysc84/SH3yl1 protein family is important for cell movement and the process of taking in materials by interacting with actin and cell membranes.
3 citations,
September 2020 in “Journal of cosmetic dermatology” Coconut oil makes hair stronger and more flexible than mineral oil.