September 2024 in “Journal of Cutaneous and Aesthetic Surgery” This case report detailed a successful treatment involving contracture release and expanded neck flap reconstruction for a patient with severe neck contracture and beard alopecia from past thermal burns, highlighting improved skin quality and hair regrowth following follicular unit extraction.
January 2025 in “Arquivo Brasileiro de Medicina Veterinária e Zootecnia” In this study, researchers observed that telogen hair was more prevalent than anagen hair in both male and female agoutis over a one-year period in Teresina-PI, regardless of dry or rainy seasons, with no significant differences in dermal follicular volume between the sexes.
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May 1999 in “Archives of Dermatological Research” In this study, the immunohistochemical and lectin binding profiles of basal cell carcinoma closely resembled those of the outer root sheath of vellus hair follicles, suggesting a potential histochemical relationship.
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January 1994 in “Differentiation” In this study, researchers found that bulge cells in mouse hair follicles undergo transient proliferation during early anagen, indicating their role as follicular stem cells. However, another factor beyond dermal papilla proximity may be required to initiate a new anagen phase.
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January 2019 in “PubMed” This study examined the follicular unit density in the scalp and beard donor areas of Indian men undergoing hair restoration surgery, reporting mean densities of 78.2/cm² and 49.7/cm² respectively, and proposed guidelines for safe follicular unit extraction.