TLDR The dermal papilla can still grow new hair even after heavy radiation.
The study published in 1977 investigated the effects of heavy doses of irradiation on the dermal papilla and epithelial elements of hair follicles. It was found that while high doses of irradiation caused permanent hair loss by destroying the epithelium, the dermal papilla remained anatomically and functionally intact. This intact dermal papilla, even after transplantation, was capable of inducing the growth of new hairs. This finding suggested that the dermal papilla played a crucial role in hair regeneration and could maintain its inductive capacity despite irradiation.
5 citations
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January 1964 in “Naunyn-Schmiedeberg s Archives of Pharmacology” Iodine is absorbed by hair just below the skin surface.
January 2022 in “Journal of St. Marianna University” Substances from human hair cells can affect hair loss-related genes, potentially leading to new treatments for baldness.
15 citations
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April 2014 in “Experimental Dermatology” Scientists developed a system to study human hair growth using skin cells, which could help understand hair development and improve skin substitutes for medical use.
321 citations
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December 2009 in “Journal of Dermatological Science” Dermal cells are key in controlling hair growth and could potentially be used in hair loss treatments, but more research is needed to improve hair regeneration methods.
January 2003 in “Chinese Journal of Reparative and Reconstructive Surgery” Dermal papilla cells can help form hair follicles and produce hair.
66 citations
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August 2001 in “Experimental Dermatology” Human hair follicle cells can grow hair when put into mouse skin if they stay in contact with mouse cells.
57 citations
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November 1998 in “Wound Repair and Regeneration” Hair papilla cells can create and regenerate hair bulbs under the right conditions.
