32 citations
,
December 2004 in “BMC Public Health” Men can report their own balding patterns well enough for large health studies.
21 citations
,
May 1996 in “Current problems in dermatology” Detailed patient history and physical exams are crucial for diagnosing hair loss.
2 citations
,
March 2004 in “Journal of the American Academy of Dermatology” The 60-second timed hair count is a reliable and simple way to measure hair shedding at home, showing older women tend to shed more hair than younger women.
April 2017 in “Journal of Investigative Dermatology” The hair follicle dermal sheath is essential for hair shedding and needs to communicate with the outer root sheath for normal hair growth cycles.
June 2021 in “Journal of The American Academy of Dermatology” New scale reliably assesses male hair loss with female pattern.
31 citations
,
February 2020 in “BioMed Research International” Thai people's hair density decreases with age and varies by scalp area, but hair thickness stays the same regardless of age or scalp area.
April 2023 in “Journal of Investigative Dermatology” The MDhair app accurately assesses hair loss severity with 94% accuracy.
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.
13 citations
,
June 2015 in “International Journal of Dermatology” Patients with hair loss are much more likely to have body dysmorphic disorder than general dermatology patients.
October 2023 in “Asian journal of pharmaceutical and clinical research” Standardized data is essential for diagnosing scalp and hair conditions in males.
95 citations
,
July 2006 in “British Journal of Dermatology” Vitamin D receptors in hair follicles change with the hair cycle, affecting hair growth.
January 1986 in “Journal of Steroid Biochemistry” Women with severe acne, hirsutism, and androgenic alopecia often have higher levels of certain androgens, but the specific pattern can't be predicted just by looking at symptoms.
1 citations
,
April 2016 in “Journal of Investigative Dermatology” Patients with Focal Dermal Hypoplasia often experience skin, nail, hair, and bone issues, and may benefit from calcium and vitamin D supplements.
7 citations
,
February 2018 in “International Journal of Pharmaceutics” Researchers developed a method to measure drugs in hair follicles and found that both water-loving and fat-loving drugs can be detected after being applied to the skin.
29 citations
,
March 2008 in “Dermatologic Surgery” The Cross-section Trichometer is a new tool that can measure hair quantity and detect hair loss and growth.
February 2017 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Hair cortisol measurement is a promising, non-invasive tool for monitoring cortisol exposure over time.
4 citations
,
January 2017 The pull and wash tests are simple, cost-effective ways to diagnose hair loss severity and type.
September 2023 in “International journal of Unani and integrative medicine” Hair loss patterns are linked to temperament and can help diagnose it.
6 citations
,
April 2017 in “JAMA Dermatology” Men's hair loss is not linked to their sex hormone levels, except for lower DHEAS in those with hair loss.
January 2004 in “DOAJ (DOAJ: Directory of Open Access Journals)” Men with androgenetic alopecia do not have elevated DHEA-S levels.
7 citations
,
January 1966 in “Archives of Dermatology” The method accurately measures hair growth with minimal risk and is better than other methods.
September 2025 in “Journal of Intellectual Disability Research”
January 2024 in “International Journal of Trichology” Hair root dermoscopy is a simple, noninvasive tool to diagnose telogen effluvium.
70 citations
,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” TrichoScan is a reliable method for measuring hair growth and is useful for assessing hair loss treatments.
5 citations
,
March 2017 in “Laser Physics Letters” Different scalp imaging methods are important for studying hair and scalp health and require more volunteers for better evaluation.
June 2024 in “Nature Cell and Science” The Scalp Coverage Scoring method reliably measures hair density from images.
1 citations
,
November 2014 in “Journal of Biomedical Optics” Reflectance spectroscopy can noninvasively track hair growth stages by measuring skin reflectance and melanin changes.
45 citations
,
January 1999 in “Dermatology” The VQ-Dermato is a reliable French questionnaire for measuring quality of life in chronic skin disorder patients.
4 citations
,
January 1991 in “Journal of obstetrics and gynaecology” The photographic method accurately measures hair growth and both treatments effectively reduced hair growth in hirsute women.
17 citations
,
January 2011 in “Skin Research and Technology” Hair from people with seborrheic dermatitis is thicker scaled, more damaged, and thinner than healthy hair, and atomic force microscopy can help monitor the condition.