August 2026 in “Lasers in Medical Science” This review suggests that hyperspectral and terahertz imaging show promise in non-invasively assessing scalp changes associated with hair loss, but further validation is needed for clinical application.
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January 2017 in “International Journal of Dermoscopy” This study found that trichoscopic digital imaging is a safe and accurate method for assessing the donor area in patients undergoing hair transplantation, helping to plan graft utilization based on hair density and follicular unit measurements.
September 2023 in “Biomedical Optics Express” This study used non-invasive imaging techniques to assess hair follicle characteristics in AGA mice, revealing delayed hair shaft alternation and growth stages, as well as testosterone-induced follicle miniaturization, offering potential methods for evaluating AGA on human scalps in vivo.
July 2026 in “Diagnostics” This review outlines the key principles and clinical applications of multimodal non-invasive skin imaging technologies, emphasizing their combined strengths in enhancing diagnosis and treatment assessment in dermatology.
This review discusses recent advances in noninvasive hair imaging technologies, such as global photography, trichoscopy, reflectance confocal microscopy, and optical coherence tomography, highlighting their potential to improve hair diagnostics and treatment monitoring, while also outlining their clinical applications and limitations.