157 citations
,
April 1994 in “Clinical endocrinology” Androgens can cause hair growth in some areas and hair loss on the scalp.
27 citations
,
January 2000 in “Developmental Dynamics” Mutations in the Whn gene affect hair keratin gene expression differently.
January 2001 in “Biomedical Research” THH and PAD type III appear together early in hair growth, but deiminated THH appears later, suggesting another factor is involved.
11 citations
,
May 1995 in “The journal of investigative dermatology/Journal of investigative dermatology”
The research found that people's hair proteins vary, especially by ethnicity and body part, which could help identify individuals in forensic science.
161 citations
,
July 2003 in “ACM Transactions on Graphics” Researchers developed a new model for more realistic computer graphics rendering of hair by considering how light scatters on hair fibers.
November 2025 in “Communications Biology” Human hair contains many different molecules that change along its length, influenced by personal care products.
1 citations
,
January 2020 Ift20 is essential for hair follicle function and skin cell movement.
108 citations
,
October 2003 in “Journal of biological chemistry/The Journal of biological chemistry” Trichohyalin makes hair follicles stronger.
63 citations
,
October 2011 in “Archives of Dermatology” Isolated long hairs at the original hairline can help diagnose Frontal Fibrosing Alopecia.
April 2017 in “Journal of Investigative Dermatology” Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.
47 citations
,
June 1996 in “International Journal of Legal Medicine” Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.
7 citations
,
December 2010 in “대한의생명과학회지” Hair growth after depilation increases skin thickness, mast cell counts, and cell activity.
September 2017 in “Journal of Investigative Dermatology” Hair follicle cells change their DNA packaging during growth cycles and when grown in the lab.
11 citations
,
August 1995 in “Journal of Investigative Dermatology” 18 citations
,
August 2009 in “Skin Research and Technology” OCT can identify hair structures, but chemical treatments can damage them.
49 citations
,
April 2010 in “International Journal of Cosmetic Science” Hair ages as the cuticle wears down, especially beyond 1 meter from the root, affecting its strength and shine.
October 2001 in “Science news” Understanding hair growth and loss is complex, involving genetic and molecular factors.
135 citations
,
November 1987 in “Differentiation” Outer root sheath cells consistently express certain keratins influenced by their environment.
March 2014 in “CRC Press eBooks” Human head hair can grow very long and is thicker than most body hair.
1 citations
,
March 2014 in “Journal of Innovative Optical Health Sciences” Hair structure worsens as tumors grow in mice.
January 2007 in “한국미용학회지” People with hair loss have smaller hair roots and less fat tissue.
52 citations
,
February 1986 in “Journal of Histochemistry & Cytochemistry” Some hair proteins are specific to hair, while others are also found in skin cells.
5 citations
,
January 2015 in “Skin appendage disorders” Colored hair-thickening fibers can help hide hair loss in some people with Epidermolysis Bullosa but may cause scalp irritation.
54 citations
,
January 2018 in “Scientific reports” Human hair contains diverse proteins, including keratins and histones, which could help assess hair health and aging.
8 citations
,
April 2017 in “Journal of Dermatological Science” Hair loss is caused by the breakdown of a protein called COL17A1 in hair follicle stem cells.
40 citations
,
March 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.
12 citations
,
February 2019 in “Skin research and technology” White hair has less lipid content and absorbs water differently than brown hair.
42 citations
,
September 1985 in “British Journal of Dermatology” Trichothiodystrophy causes abnormal protein deposits and distortion in hair follicles.
January 2023 in “Advances in pharmacology and clinical trials” Human hair is a significant sample for various tests in clinical, nutritional, archaeological, and forensic studies.