18 citations,
April 2010 in “Archives of Dermatology” Psoriasis or contact dermatitis can override alopecia areata, allowing hair growth.
57 citations,
March 2019 in “Immunity” The document concludes that the skin's immune system is complex, involving interactions with hair follicles, nerves, and microbes, and can protect or cause disease, offering targets for new treatments.
15 citations,
June 2015 in “F1000Research” Psoriasis may be chronic because it lacks certain immune system controls that prevent overreaction.
56 citations,
January 2011 in “Pigment Cell & Melanoma Research” Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.
65 citations,
February 2017 in “Pflügers Archiv - European Journal of Physiology” Macrophages are vital for skin healing, hair growth, salt balance, and cancer defense.