Abstract
• Qualitative and quantitative methods are essential for objectively evaluating hair growth activity.
• Standardized techniques are mandatory for clinical studies and for evaluating agents that inhibit or promote hair growth.
• Hair density, hair width, and global photography evaluation are generally accepted parameters for judging hair volume, hair growth, and hair loss.
• For daily practice and individual trichologic followup, videodermoscopy, pull test, TrichoScan and in selected cases scalp biopsy are helpful tools.
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Blume-Peytavi, U., Hillmann, K., Guarrera, M. (2008). Hair Growth Assessment Techniques. In: Blume-Peytavi, U., Tosti, A., Trüeb, R. (eds) Hair Growth and Disorders. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-46911-7_8
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