February 2019 in “PubMed” The research found that twisting hair fibers can show changes in stiffness and damage, and help tell apart different hair treatments.
January 2022 in “Skin appendage disorders” Trichoscopy effectively visualizes scalp micropigmentation without invasive methods.
5 citations
,
February 2014 in “PubMed” The document concludes that objective methods are important for diagnosing different types of alopecia and monitoring treatment, and standardizing these techniques is necessary.
28 citations
,
October 1992 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” SIP is a better method for measuring hair growth accurately.
January 2014 in “NDSU Repository (North Dakota State University)” The hair-pulling scale needs improvement for better accuracy and consistency.
July 2025 in “Journal of the American Academy of Dermatology” Hair diameter diversity helps assess hair loss, but its standard measure varies by individual and ethnicity.
27 citations
,
September 2012 in “Dermatologic Clinics” The document concludes that using specific tools and tests is essential for identifying the cause of hair loss and deciding on the right treatment.
1 citations
,
March 2020 in “Hair transplant forum international” The HairMeasure device is a cheap way to measure Hair Mass Index and find scalp areas for hair exams.
1 citations
,
January 2021 in “Nihon rinsho hifukaikai zasshi” The document provides ways to tell alopecia areata from other similar hair loss conditions, using visual checks and specific tests.
2 citations
,
July 2018 in “Elsevier eBooks” Trichoscopy is a useful tool for diagnosing and managing hair and scalp conditions, often better than traditional methods.
68 citations
,
August 2012 in “Journal of the American Academy of Dermatology” Dermatoscopy is a useful tool for diagnosing hair disorders and can help choose samples for more detailed analysis.
December 2019 in “Ukrainian Journal of Veterinary and Agricultural Sciences” Donkey and horse hair have different microscopic structures, which can help tell them apart.
90 citations
,
October 1983 in “British Journal of Dermatology” The unit area trichogram is a reliable method to assess hair loss and treatment response in people with androgenic alopecia by measuring hair density and thickness.
June 2006 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” A simple method using the wash test and dermatoscopy can help differentiate between two hair loss conditions, androgenetic alopecia and chronic telogen effluvium.
14 citations
,
February 1982 in “American Journal of Clinical Nutrition” Hair pluckability can help assess protein nutrition status.
May 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” A simple method using the wash test and dermatoscopy can help differentiate between two hair loss conditions, androgenetic alopecia and chronic telogen effluvium.
The method effectively measures hair elasticity and could be useful in forensics.
1 citations
,
January 2016 in “Journal of cosmetology & trichology” Trichoscopy helped diagnose and treat a child's fungal scalp infection by spotting specific hair shapes.
1 citations
,
March 2005 in “International Journal of Cosmetic Science” Twisting hair weakens it, but strength can be recovered at low twist levels.
January 2026 in “Skin Appendage Disorders” The trichogram is a practical, non-invasive, and cost-effective tool for diagnosing female androgenetic alopecia.
September 2024 in “Skin Research and Technology” AFM can help diagnose lichen planopilaris by identifying specific hair structure changes.
October 2025 in “Dermatology and Therapy” Nutrafol® nutraceuticals improve hair thickness and strength.
1 citations
,
September 2024 in “Veterinary Dermatology” Trichography is important for diagnosing hair fragility in Pomeranian dogs with hair cycle issues.
January 2026 in “Indian Journal of Paediatric Dermatology” Trichoscopy effectively diagnoses and monitors treatment in children with tinea capitis.
1 citations
,
January 2024 in “Annals of Dermatology” Examining hair shape can help predict Alopecia Areata's progression.
2 citations
,
December 2015 in “International Journal of Dermatology” Washing test helps identify hair loss type, low iron levels significant.
17 citations
,
August 1979 in “Journal of The American Academy of Dermatology” A new staining method helps tell growing from resting hairs to diagnose hair loss.
1 citations
,
September 2024 in “Indian Journal of Postgraduate Dermatology” Trichoscopy effectively diagnoses temporal triangular alopecia in children.
23 citations
,
May 2005 in “British Journal of Cancer” Plucked human hair can be used to study drug effects on certain cell markers.
The authors defended their methods for measuring hair density and caliber, emphasizing the need for consistent photography and manual counting for accuracy in evaluating hair loss treatments.