Monitoring hair follicle development is important to interpret hair pathophysiology and follicular-related diseases such as alopecia, folliculitis, acne, and keratosis pilaris. We introduce label-free visualization of hair follicles based on optical coherence microscopy (OCM) and quantitative analysis of the structure using OCM imaging data. The hair follicle regeneration of mice was monitored using our home-built serial OCM. Through this process, we obtained the volumetric anatomy and functional feature of the hair follicle. We also quantified the hair follicle structure including hair root, bulb, papilla, and follicle wall based on OCM data. Our result provides insight into the hair cycle investigation.
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