March 2026 in “International Journal of Research and Review” This clinical study found that Rosmarinum officinalis mother tincture significantly improved hair volume and density in individuals with diffuse hair loss by enhancing hair parameters measured through a hair shedding visual scale and ponytail thickness test.
1 citations
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December 2022 in “Skin Appendage Disorders” This study explores various tests that can be performed during teledermatology visits, such as self-conducted pull tests and ponytail thickness measurements, along with imaging tools, to assess hair loss virtually.
41 citations
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December 2008 in “International Journal of Dermatology” This study observed that hair density and thickness were significantly reduced across multiple scalp sites in South Korean women with hair loss, highlighting potential patterns that could aid in differentiating hair disorders.
36 citations
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December 2016 in “Journal of The American Academy of Dermatology” In this study, researchers evaluated the hair pull test and found that normal values should be reduced to two hairs or fewer, with no significant impact from hair washing, brushing, or lifestyle factors such as hair texture and medication use.
5 citations
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January 2015 in “Current problems in dermatology” This article reviews the diagnostic process for hair problems, emphasizing the importance of thorough patient evaluation and communication but reports no new clinical results.