A new system for classifying curly hair types using precise measurements can improve hair care products and cultural inclusion.
119 citations
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November 1969 in “Journal of Ultrastructure Research” Macrophages help break down collagen around hair follicles during hair growth.
January 2018 in “Journal of The American Academy of Dermatology” A manual blood cell counter was effectively used to count hair follicles during surgery, being user-friendly and cost-effective but limited by a three-digit display.
April 2026 in “Biosensors” Red light increases hair follicles and ATP in mouse skin.
January 2009 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Curved human hair has different structures on each side, which might cause its shape and is similar to wool.
95 citations
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October 2007 in “International Journal of Dermatology” A new method accurately classifies hair types, showing global hair diversity.
March 2007 in “International Journal of Cosmetic Science” Hair with more melanin resists weather damage better.
3 citations
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January 1994 in “Journal of Society of Cosmetic Chemists of Japan” Hair grows slower and thinner with age, but a test tonic improved growth in alopecia subjects.
41 citations
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May 2001 in “PubMed” Different thicknesses of hair strands can indicate the severity of hair thinning.
December 2023 in “Modern engineering and innovative technologies” ChromaLens offers more precise and stable hair coloring than traditional methods.
September 2023 in “Zenodo (CERN European Organization for Nuclear Research)” Trichoscopy helps diagnose and track treatment for hair loss in men and women.
1 citations
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June 2024 in “Journal of Investigative Dermatology” Macrophages are crucial for hair regrowth in contact hypersensitivity.
1 citations
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February 2015 in “Zenodo (CERN European Organization for Nuclear Research)” Different hair fiber brands have unique electrostatic and dielectric properties.
Cross-section trichometry is an accurate method to measure hair loss and growth.
August 1989 in “Proceedings ... annual meeting, Electron Microscopy Society of America/Proceedings, annual meeting, Electron Microscopy Society of America” The research provided a detailed view of the non-keratinous parts of human hair fibers.
3 citations
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July 2019 in “Fibers And Polymers/Fibers and polymers”
19 citations
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May 2004 in “The American Journal of Dermatopathology” The research found that a specific gene mutation causes fewer hair follicles and disrupted hair growth cycles, leading to thin and short hair in people with Hypotrichosis with Juvenile Macular Dystrophy.
June 2023 in “Aesthetic Plastic Surgery” The PRECISE scale helps estimate how many grafts are needed for hair transplant based on the severity of hair loss.
65 citations
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May 2006 in “Journal of Structural Biology” Hair curliness is due to uneven distribution of different cortices within the hair fiber.
January 2023 in “Al-Azhar International Medical Journal /Al-Azhar International Medical Journal” Trichoscopy is a quick, non-invasive way to measure hair density and thickness, helping diagnose hair loss.
143 citations
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October 2008 in “Journal of The American Academy of Dermatology” Comma hairs are a specific sign of tinea capitis when viewed with videodermatoscopy.
January 2001 in “Chinese Journal of Medical Aesthetics and Cosmetology” Micrografts can grow natural hair and most patients are satisfied, but some need multiple procedures.
January 2015 in “Hair therapy & transplantation” New hair and scalp disease diagnosis methods are important for correct treatment.
January 2010 in “Computerized Tomography Theory and Applications” Dermoscopy image analysis is a simple, effective way to evaluate hair growth and product efficacy.
288 citations
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June 2009 in “Human reproduction update” The modified Ferriman-Gallwey method is a useful tool for diagnosing hirsutism.
83 citations
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April 1999 in “Dermatologic Surgery” The research found that for a typical hair density, about 11 square centimeters of donor scalp is needed to get 800 hair grafts for transplantation.
31 citations
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December 2017 in “Skin Appendage Disorders” Caucasians have the highest hair density, followed by Hispanics, with the lowest in individuals of African descent.
June 2020 in “Journal of Investigative Dermatology” The technique effectively shows how human skin and hair cells form into ball-like structures.
January 2020 in “Annals of Dermatology” The document corrects details about examining hair from patients with a hair loss condition called Telogen Effluvium.
1 citations
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January 2016 in “Journal of cosmetology & trichology” Trichoscopy helped diagnose and treat a child's fungal scalp infection by spotting specific hair shapes.