January 2020 in “Columbia Academic Commons (Columbia University)” Certain genetic changes in the STX17 and KRT82 genes contribute to hair loss in alopecia areata.
13 citations
,
March 2019 in “Journal of cosmetic dermatology” Heat damages hair, with Asian hair losing more protein than Caucasian hair.
10 citations
,
November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
1 citations
,
October 2017 in “ecancermedicalscience” Breast cancer alters specific molecular structures in hair, which revert after cancer removal.
130 citations
,
January 1994 in “Differentiation” Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.
8 citations
,
March 2018 in “Cosmetics” UV radiation damages hair by creating holes and peeling cuticle layers.
The research found that people's hair proteins vary, especially by ethnicity and body part, which could help identify individuals in forensic science.
The research found that people's hair proteins vary by individual and body part, with some differences between ethnic groups, which could help in forensics.
356 citations
,
December 1986 in “The journal of cell biology/The Journal of cell biology” Hair and nail cells share similar proteins, indicating a common differentiation pathway.
May 2023 in “Frontiers in chemistry” Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.
January 2003 in “Research Portal (King's College London)” Hair color affects light reflection, with black hair having higher cuticle angles and lighter hair showing less specular reflection.
May 2017 in “Journal of microscopy and ultrastructure” Water quality affects mineral content in hair, and coconut oil can protect against damage.
1 citations
,
November 2014 The document explains hair and nail biology, common hair loss conditions and treatments, oral and genital skin diseases, and the risks and treatments associated with squamous cell carcinoma.
January 2024 in “Uttar Pradesh journal of zoology” Chemical treatments severely damage hair cuticles, especially in previously treated hair.
December 2022 in “Kristu Jayanti Journal of Core and Applied Biology (KJCAB)” Scalp hair characteristics vary across different regions of India and can help identify a person's origin.
72 citations
,
June 2001 in “Journal of Investigative Dermatology” S100A4 and S100A6 proteins may activate stem cells for hair follicle regeneration and could be potential targets for hair loss treatments.
December 2025 in “Biopolymers” Heat worsens damage in chemically treated hair, especially bleached and straightened hair.
September 1997 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” The document concludes that treatments like oral anti-androgens, minoxidil, and topical spironolactone can be effective for hair loss in men and women.
68 citations
,
August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
60 citations
,
March 2006 in “Journal of Medical Genetics” A mutation in the KRTHB5 gene causes hair and nail issues.
15 citations
,
February 1999 in “The anatomical record” Some mutant mice have hair with abnormal cross-linking, mainly in the cuticle, not affecting other hair parts.
1 citations
,
November 2023 in “Cosmetics” Surfactants damage hair, but sealing the cuticle can prevent this.
14 citations
,
April 2016 in “PloS one” The KRTAP11-1 gene promoter is crucial for specific expression in sheep wool cortex.
12 citations
,
February 2019 in “Skin research and technology” White hair has less lipid content and absorbs water differently than brown hair.
3 citations
,
January 2007 in “Journal of health science” The enzymatic method can effectively identify chemical treatments on hair.
25 citations
,
January 2013 in “Colloids and surfaces. B, Biointerfaces” Hair dye colors mainly target melanin granules in black hair.
52 citations
,
August 1978 in “Journal of Applied Polymer Science” Human hair's ability to get wet is complex and can change with treatments, damage, and environment.
48 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
28 citations
,
November 2018 in “Journal of structural biology” Different populations have distinct hair structures related to their ancestry.
20 citations
,
September 2018 in “Journal of colloid and interface science” Modified keratin binds better to hair, especially bleached hair.