Hairlessness in mammals is due to complex genetic changes in both genes and regulatory regions.
March 2016 in “The Korean Society of Beauty and Art” MSG-based hair hardener improves hair thickness, strength, and wave retention after perms.
9 citations
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June 1947 in “Analytical Chemistry” Cold waving solutions quickly reduce cystine to cysteine in hair.
May 2024 in “International Journal of Cosmetic Science” Disulfide bonds are crucial for hair's strength, especially when wet.
Lightly perming scalp hair can lead to new hair growth, potentially treating baldness.
10 citations
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January 2012 in “International Journal of Cosmetic Science” Thioglycolic acid mainly affects the unordered areas in hair structure.
3 citations
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October 2006 in “Journal of dermatology” X-ray microscopy can non-invasively show hair structure changes after treatments, but it's less detailed than TEM and needs improvement.
1 citations
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February 1989 in “PubMed” Electrophoresis can effectively analyze hair proteins for forensic use, even after cosmetic treatments and up to 2 years of weathering.
4 citations
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July 2022 in “The Journal of Clinical Endocrinology & Metabolism” A specific genetic mutation causes POMC deficiency, leading to symptoms like weight gain and red hair.
4 citations
,
March 2007 in “Annales de Dermatologie et de Vénéréologie” Hair care products can cause skin irritation and allergies due to certain chemicals.
65 citations
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September 2014 in “Orphanet Journal of Rare Diseases” Different STUB1 gene mutations cause varied symptoms in autosomal recessive ataxias.
January 2005 in “Seibutsu Butsuri/Seibutsu butsuri” Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
May 2010 in “International Journal of Cosmetic Science” Mercaptans make hair more prone to damage, with reduced hair being more affected than permed hair.
April 2015 in “The FASEB Journal” Nitrogen mustard causes DNA damage and structural changes in mouse skin hair follicles, but some recovery occurs after 5 days.
70 citations
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June 1998 in “Polymer” Permanent waving damages hair by disrupting its keratin structure.
10 citations
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May 2020 in “Journal of proteome research” Explosions don't stop hair proteins from being used to identify people.
8 citations
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March 2022 in “Cancers” Proton minibeam radiotherapy may reduce skin side effects by causing localized DNA damage.
April 2025 in “International Journal of Cosmetic Science” A new hair perming method avoids damage and lasts longer than traditional methods.
10 citations
,
September 1997 in “Molecular carcinogenesis” Mirex seems to promote a unique group of skin cells different from those affected by another tumor promoter, TPA.
37 citations
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March 2012 in “International Journal of Radiation Biology” Mobile phone radiation can cause DNA damage in human hair root cells.
September 2025 in “American Journal of Dermatopathology” PRAME is often present in Paget disease and could help in diagnosis, but more research is needed.
2 citations
,
January 2008 in “Journal of Society of Cosmetic Chemists of Japan” PMS nanoparticles improve damaged hair by protecting and restoring its surface and color.
1 citations
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February 2023 in “International journal of research - granthaalayah” Electromagnetic energy from wound dressing paste can disrupt skin lipid droplets, possibly affecting cancer development.
November 2025 in “Journal of Investigative Dermatology” A new genetic mutation causing Xeroderma Pigmentosum was found in an 8-year-old girl, affecting her DNA repair.
14 citations
,
March 2014 in “Experimental and Molecular Pathology” Sulfur mustard damages hair follicles and sebaceous glands in mice.
6 citations
,
December 2023 in “Journal of Molecular Cell Biology” Removing Gsdma1/2/3 genes reduces skin cell overgrowth by blocking a specific cell pathway.
November 2001 in “PubMed” Perming, combing, and stretching damage hair by reducing keratin.
54 citations
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December 2011 in “American Journal Of Pathology” A Gsdma3 mutation causes hair loss due to stem cell damage from skin inflammation.
April 2019 in “Radiotherapy and oncology” HPV infection is linked to better survival in advanced anal cancer, higher radiation doses improve survival, especially in HPV-negative patients, and prostaglandin E₂ pretreatment can protect mouse hair follicles from radiation damage.
January 2011 in “Junshi yixue” Longer exposure to high-power millimeter wave radiation causes more severe skin damage in mice.