34 citations
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October 1982 in “Journal of applied polymer science” Moisture content significantly affects how human hair breaks.
Anti-keratin antibody from cow milk makes damaged hair stronger and less likely to break.
29 citations
,
December 2011 in “British Journal of Dermatology” A new hair treatment with caffeine and other ingredients makes hair thicker and less likely to break.
January 1991 in “Acta Dermato Venereologica” A new method effectively visualizes keratin in hair without harsh chemicals.
42 citations
,
January 2005 in “Applied spectroscopy” Hair from breast cancer patients shows changes in structure and composition, and a test using these changes detected cancer but also falsely identified some healthy samples as cancerous.
May 2026 in “International Journal of Cosmetic Science” UV radiation damages hair similar to bleaching, but double bleaching causes more severe protein degradation.
March 2010 in “International Journal of Cosmetic Science” Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.
12 citations
,
January 2009 in “Breast Cancer Basic and Clinical Research” Combining hair x-ray diffraction with mammography improves breast cancer detection.
8 citations
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February 2002 in “Journal of Medical Genetics” Skin changes can indicate a risk for breast cancer.
14 citations
,
January 2020 in “International Journal of Biological Sciences” Multiphoton microscopy can effectively assess breast cancer treatment responses without labels.
1 citations
,
February 2015 in “Zenodo (CERN European Organization for Nuclear Research)” Different hair fiber brands have unique electrostatic and dielectric properties.
1 citations
,
March 2005 in “International Journal of Cosmetic Science” Twisting hair weakens it, but strength can be recovered at low twist levels.
November 2022 in “International journal of trichology” Glyoxylic acid straighteners cause more protein loss but have similar hair strength effects as traditional alkaline straighteners.
13 citations
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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.
January 2020 in “Indian dermatology online journal” Hair styling products can damage hair over time.
2 citations
,
January 2015 in “Sen'i Gakkaishi” Washing permed hair after using thioglycolic acid helps reform strong bonds, making hair stronger.
17 citations
,
October 1997 in “Australian Journal of Agricultural Research” Stocking rate affects wool follicle inactivity, not Merino strain.
15 citations
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January 2012 in “International journal of trichology” The HairCheck® device is effective for measuring hair loss and growth in people with alopecia.
3 citations
,
January 2002 in “Springer eBooks” Alkaline hair relaxers damage hair, but cationic and non-ionic polymers can help reduce this damage.
September 2017 in “Journal of Investigative Dermatology” The new scalp treatment preserves hair color, reduces hair loss, and maintains hair strength.
January 2026 in “Journal of Cosmetic Dermatology” Microneedling can weaken hair in some AGA patients.
36 citations
,
July 1996 in “The journal of investigative dermatology/Journal of investigative dermatology” Mice with the 'lanceolate hair' mutation have abnormal hair and skin similar to human Netherton's syndrome.
A portable imaging system shows promise for diagnosing skin diseases and checking laser treatment effects.
21 citations
,
March 2017 in “Skin research and technology” Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.
December 2025 in “Biopolymers” Heat worsens damage in chemically treated hair, especially bleached and straightened hair.
December 2019 in “C&EN Global Enterprise” Thicker hair isn't always stronger.
January 2011 in “Junshi yixue” Longer exposure to high-power millimeter wave radiation causes more severe skin damage in mice.
16 citations
,
December 2016 in “ecancermedicalscience” Hair analysis may help detect breast cancer early by identifying changes in lipid content.
119 citations
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November 1969 in “Journal of Ultrastructure Research” Macrophages help break down collagen around hair follicles during hair growth.
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.