27 citations
,
May 2007 in “Archives of dermatological research” Diphencyprone treatment increases CD8 lymphocytes in the scalp, which is associated with hair regrowth in alopecia areata patients.
January 2002 in “대한피부과학회지” Cyclosporine combined with other treatments can help hair regrow in severe alopecia areata, but it may cause side effects.
55 citations
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June 1987 in “PubMed” Cyclosporin A significantly increases hair growth in certain areas of mice.
14 citations
,
August 2014 in “Journal of the American Academy of Dermatology” Diphenylcyclopropenone (DPCP) is effective in treating alopecia areata, with most patients showing significant hair regrowth.
3 citations
,
January 2015 
December 2025 in “Indian Journal of Case Reports” Stopping azathioprine improved hair loss and bone marrow issues.
16 citations
,
July 1989 in “British journal of dermatology/British journal of dermatology, Supplement” Topical cyclosporin A doesn't work for alopecia totalis because it doesn't penetrate the skin well.
17 citations
,
December 1997 in “Transplantation” Tacrolimus can cause hair loss in kidney transplant patients.
56 citations
,
January 2004 in “Journal of the American Academy of Dermatology” Cyclosporine can cause a unique skin condition called "cyclosporine-induced folliculodystrophy."
1 citations
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November 2001 in “British Journal of Dermatology” Oral cyclosporin doesn't stop hair loss.