October 2004 in “Radiotherapy and oncology” Active vitamin D3 might protect hair follicles from radiation damage.
16 citations
,
February 2005 in “British journal of dermatology/British journal of dermatology, Supplement” Lack of Vitamin D receptor changes skin structure and increases certain immune cells in the skin.
14 citations
,
January 2008 in “Dermatology” Vitamin D made by the skin plays a role in immune defense and skin health, and more research is needed to understand its full effects.
June 2024 in “The Journal of Nutritional Biochemistry” 1,25-(OH)2D3 helps hair grow by blocking certain harmful signals.
4 citations
,
May 2021 in “Molecules” The hair test for vitamin D could be a useful alternative to blood tests, providing a longer-term vitamin D status, but more research is needed.