91 citations
,
January 2009 in “International Journal of Trichology” Different hair evaluation methods have their own pros and cons, and using multiple methods together is best for accurate hair loss diagnosis and tracking.
September 2009 in “Hair transplant forum international” The document's conclusion cannot be determined.
8 citations
,
March 2019 in “Progress in Human Geography” Hair significantly shapes body identity and social interactions, influencing how we perceive and relate to our bodies.
6 citations
,
January 2021 in “Journal of the mechanics and physics of solids/Journal of the Mechanics and Physics of Solids” The model shows that factors like follicle shape and stiffness are key for hair growth and anchoring.
4 citations
,
November 2011 in “Archives of Dermatology” The photographic method for measuring facial hair density is reliable and valid but needs further testing on different hair densities and skin colors.
3 citations
,
September 2014 in “SpringerPlus” Human hair loss may have evolved to help increase brain size.
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.
17 citations
,
March 2012 in “Journal of biological chemistry/The Journal of biological chemistry” Hairless protein affects hair follicle structure by regulating the Dlx3 gene.
6 citations
,
January 1994 in “PubMed” The molecular mechanisms controlling hair growth phases are not fully understood yet.
October 2018 in “Oncology Times” Hair is important for aging and cancer treatment, affecting emotions, culture, and health.
126 citations
,
October 1998 in “Experimental Dermatology” The hr gene is crucial for skin and hair health, with mutations causing hair disorders.
December 2007 in “FJ. Fragrance journal”
1 citations
,
July 2018 in “Elsevier eBooks” Avoid chemical and physical damage to protect hair.
38 citations
,
July 1993 in “Journal of Investigative Dermatology” research Hair
January 1983 in “Elsevier eBooks” Hair grows from living roots, is made of dead keratin, and goes through growth, rest, and shedding stages.
2 citations
,
January 1994 in “Journal of S C C J” The study concluded that certain hair growth measurements are good indicators of baldness severity and provide a more accurate assessment than subjective grading.
7 citations
,
October 2018 in “Journal of Craniofacial Surgery” About 21.3% of young, healthy Chinese men experience hair loss. Hairlines are mostly linear or have a central protrusion. Hair is densest on the top and back of the head, and hair follicles usually have 1 or 2 hairs. This information can help in designing hair restoration procedures.
8 citations
,
February 2018 in “European journal of oncology nursing” The Hair Check tool can measure hair loss, but patients' own reports are more reliable for assessing hair loss during chemotherapy.
August 2025 in “International Journal of Dermatology” Hair loss significantly influences medical decisions, affecting treatment choices and emotional well-being.
4 citations
,
January 2017 The pull and wash tests are simple, cost-effective ways to diagnose hair loss severity and type.
October 1990 in “Archives of Dermatology” Hair loss and growth can be accurately measured using computer-assisted counting.
137 citations
,
September 2005 in “Proceedings of the National Academy of Sciences of the United States of America” The HR protein helps hair grow by blocking a hair growth inhibitor, aiding in hair follicle regeneration.
18 citations
,
August 2009 in “Skin Research and Technology” OCT can identify hair structures, but chemical treatments can damage them.
15 citations
,
May 2017 in “Journal of Cellular Biochemistry” The hairless protein is important for skin, hair, and may influence cancer development.
September 2020 in “Hair transplant forum international” The document's conclusion cannot be determined.
May 2020 in “Hair transplant forum international” The document's conclusion cannot be determined.
September 2017 in “Journal of Investigative Dermatology” Hair care products used for 4 weeks made hair smoother.
63 citations
,
February 2003 in “Australasian Journal of Dermatology” Global photography and phototrichogram techniques are the best current methods for measuring hair growth.
September 2002 in “대한피부과학회지” Koreans have lower hair density, larger hair diameter, and slower hair growth than Caucasians.