132 citations,
November 1998 in “Journal of the American Academy of Dermatology” Topical sensitizers have mixed success in treating alopecia areata.
15 citations,
January 2015 in “Dermatitis” Topical immunotherapy is the best treatment for severe alopecia areata.
23 citations,
July 2008 in “British journal of dermatology/British journal of dermatology, Supplement” Topical contact sensitizers can treat certain skin conditions but are rarely used in the U.K.
12 citations,
November 2003 in “Journal of the American Academy of Dermatology” Topical diphencyprone helped regrow hair in mice and rats with a condition similar to human hair loss.
May 2023 in “Elsevier eBooks” Some treatments that modify the immune system might help with certain types of hair loss but haven't been explored for common hair loss alone.