February 2020 in “VSNU Open Access deal” Hair cortisol levels change with age, starting high at birth, decreasing until age 6, then rising to adult levels by age 18.
January 2019 in “Columbia Academic Commons (Columbia University)” TRPV3 and TRPV6 channels change structure to regulate calcium and heat responses.
June 2018 in “Biomedical Journal of Scientific & Technical Research” Cells can change to help heal wounds better.
September 2017 in “Journal of Investigative Dermatology” Hair follicle cells change their DNA packaging during growth cycles and when grown in the lab.
Hair fibers degrade and change color in very basic water.
January 2017 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Sunlight and chemical treatments change hair's internal structure differently, needing specific care.
January 2017 in “Jikken doubutsu ihou/Jikken doubutsu/Experimental animals/Jikken Dobutsu” Mice with a changed Hr gene lose and regrow hair due to changes in the gene's activity.
The treatment changed hormone levels and increased sexual behavior in female capuchin monkeys.
The AMHR2-482A>G gene change is linked to higher PCOS risk.
A specific gene change in APCDD1 increases the risk of hair loss.
June 2010 in “DR-NTU (Nanyang Technological University)” Hair coloring and chlorine change hair strength differently.
January 2008 in “Yearbook of Endocrinology” Dutasteride and finasteride can change semen and hormone levels in men.
Different treatments change the strength and flexibility of human hair.
Spironolactone does not change hair growth.
January 2004 in “Chinese Journal of Dermatology” Injecting specific oligonucleotides can change hair growth and structure by altering a gene.
January 1999 in “International Society of Hair Restoration Surgery” Propecia's results may change how hair restoration surgeries are planned.
January 1989 in “Handbook of experimental pharmacology” Drugs can change hair growth and this is important because it can upset people.
62 citations
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October 1999 in “Journal of Investigative Dermatology” New mutations in hair keratin genes can change hair structure and cause monilethrix, with nail issues more common in certain gene mutations.
16 citations
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August 2015 in “Journal of Experimental & Clinical Cancer Research” The photolyase-based device significantly changed the size and heat of potential skin cancer areas in patients.
11 citations
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August 2010 in “Developmental neurobiology” Ptprq has multiple forms that change during inner ear development.
10 citations
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September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.
7 citations
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January 1981 in “Springer eBooks” Certain small molecules and polymers can change hair's physical properties and how it feels by affecting the bonds within the hair.
5 citations
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July 2014 in “Acta Crystallographica Section D-biological Crystallography” Mutations in the enzyme don't significantly change how it binds to its specific substances.
4 citations
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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.
2 citations
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December 2020 in “Phytomedicine plus” Taking Saw palmetto and Pygeum africana can change the levels of certain steroids in urine, which could cause confusion in doping tests.
January 2026 in “Nano-Micro Letters” 4D scaffolds made with melt electrowriting can change shape for use in medicine.
November 2025 in “Communications Biology” Human hair contains many different molecules that change along its length, influenced by personal care products.
April 2020 in “The Journal of Urology” Big chain pharmacies in Pennsylvania charge significantly more for generic BPH medications than independent pharmacies, but independent pharmacies have more regional price variation.
October 1890 in “Science” Pilocarpin can cause hair regrowth and color change in some cases but not in others, and it may have side effects in animals.
284 citations
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February 2008 in “Pediatrics” Chemicals and body size might change when puberty starts and progresses, but more research is needed to confirm this.