17 citations
,
June 2001 in “Journal of the National Cancer Institute” A specific hair diffraction pattern may indicate breast cancer if tested with the correct method.
21 citations
,
June 2023 in “Proceedings of the National Academy of Sciences” Tightly curled scalp hair helps reduce heat from the sun, protecting against overheating.
August 2011 in “SpringerReference” A diet of collagen and vinegar improved hair growth and scalp health in women aged 40-60 more effectively than collagen alone.
Curly wool has more orthocortex than straight wool.
November 2022 in “Innovation in aging” Older adults in Puerto Rico often couldn't be tested for hair cortisol due to refusal or lack of hair, with race and hair products affecting results.
7 citations
,
January 2017 in “International Journal of Trichology” Chemotherapy and certain hair care practices can cause severe hair matting.
February 2023 in “Cosmoderma” Loose anagen hair syndrome causes easily shed hair but usually improves with time.
1 citations
,
October 2017 in “ecancermedicalscience” Breast cancer alters specific molecular structures in hair, which revert after cancer removal.
January 2024 in “Uttar Pradesh journal of zoology” Chemical treatments severely damage hair cuticles, especially in previously treated hair.
8 citations
,
February 2005 in “British Journal of Haematology” Chemotherapy caused the patient's hair to have alternating thick and thin segments.
June 1996 in “Journal of Dermatological Science” Vitamin D3 applied to mouse skin caused more wrinkles and sagging due to changes in the skin's outer layer.
2 citations
,
January 2022 1 citations
,
January 2020
January 2013 in “The Pan African medical journal” Monilethrix causes short, fragile hair with no specific treatment available.
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.
4 citations
,
January 2017 in “International journal of trichology” Castor oil can cause severe hair matting.
January 2024 in “Más dermatología” "Antiaging capilar" aims to restore youthful hair appearance by addressing age-related changes.
9 citations
,
April 2019 in “Journal of structural biology” Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.
October 2024 in “Cosmetics” ATG effectively reduces hair frizz without damaging hair strength.
9 citations
,
September 2012 in “Journal of Cosmetic Dermatology” Hair capacitance mapping effectively measures hair surface moisture changes.
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.
1 citations
,
June 2014 in “[Thesis]. Manchester, UK: The University of Manchester; 2014.” Chemical modifications can alter hair's stability and flexibility, with hydrophobic interactions helping maintain structure in humid conditions.
March 2007 in “International Journal of Cosmetic Science” Hair with more melanin resists weather damage better.
May 2025 in “Experimental Dermatology” A new genetic tool improves the study of hair growth and potential hair disorder treatments.
1 citations
,
January 2014 Crataegus pinnatifida extract promotes hair growth in mice.
March 2026 in “Indian Journal of Dermatopathology and Diagnostic Dermatology” Corkscrew hairs can help diagnose trichotillomania.
July 2020 in “Experimental Dermatology” Aging causes hair thinning in women due to changes in the scalp environment.
39 citations
,
June 2012 in “Journal of Structural Biology” Disulfide bonds are crucial for hair structure during keratinization.
6 citations
,
January 2005 in “Han-guk hyeonmigyeong hakoeji/Applied microscopy” The 16th-century mummy's hair was well-preserved due to a calcium surface coat.