August 2026 in “International Journal of Bioprinting” This review highlights the complexities of hair graying and the limitations of current models to fully replicate hair follicle pigmentary unit function, suggesting that technologies like organoids and bioprinting show promise but require further development for effective hair repigmentation interventions.
September 2012 in “British Small Animal Veterinary Association eBooks” This article discusses pigmentation disorders in veterinary dermatology, focusing on the role of melanogenic pigmentation, and reports no new research results.
66 citations
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October 1999 in “Annals of the New York Academy of Sciences” This article discusses the potential role of a local skin POMC system in the murine hair cycle and cutaneous stress responses, with no new results presented.
7 citations
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March 2003 in “PubMed” This study reported that in men with androgenic alopecia, a distinct subclinical hyperpigmentation pattern was observed in the scalp, associated with baldness severity and possibly linked to local melanin production by pilosebaceous units.
240 citations
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April 2011 in “Pigment Cell & Melanoma Research” This review discusses the identification and characteristics of melanocyte stem cells, emphasizing their role in hair pigmentation, greying, and skin repigmentation, but reports no new research findings.