TLDR OCT is a reliable, noninvasive way to measure hair thickness.
The study demonstrated that Optical Coherence Tomography (OCT) was a promising noninvasive technique for in vivo measurement of hair shaft thickness, providing highly reproducible results comparable to traditional light microscopy methods. Conducted on 28 healthy volunteers, OCT allowed for the monitoring of hair morphology over time without the need to remove hair, making it a valuable tool for clinical diagnostics and the evaluation of treatments for hair disorders. The study highlighted OCT's potential for routine clinical practice and research, offering a significant advantage over invasive methods by enabling continuous observation of the same hair fibers.
73 citations
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March 2009 in “Seminars in Cutaneous Medicine and Surgery” The document concludes that accurate diagnosis of hair disorders is crucial and requires a range of diagnostic methods.
23 citations
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January 2008 in “Skin Pharmacology and Physiology” Optical coherent tomography can effectively detect steroid use by analyzing hair changes.
30 citations
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May 2004 in “Journal der Deutschen Dermatologischen Gesellschaft” The document concludes that early diagnosis and treatment are crucial for children with hair loss to prevent permanent damage, although not all conditions can be effectively treated.
17 citations
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October 1981 in “American Journal of Clinical Nutrition” Malnourished people have weaker hair that is easier to pluck.
1 citations
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December 2022 in “Clinical, cosmetic and investigational dermatology” Arab hair is generally thicker but less dense compared to other ethnicities, affecting hair disorder diagnosis and treatment.
34 citations
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August 2003 in “Clinical and Experimental Dermatology” Pregnant women's hair gets thicker.