Cyclosporine A and Regrowing Hair? – Hair Loss Information by Dr. William Rassman

Good day,
First, I’d like to say that I appreciate this site for it’s complete and very honest answers. I regularly come to this sight for information. So, thank you!

Second, I just read an interesting paper concerning hair stem cells, the protein NFATc1, its inhibition by cyclosporine A, etc. This paper is authored by Elaine Fuchs from Rockefeller University. This paper is to be published in the journal, “Cell.”

Here is the link: NFATc1 Balances Quiescence and Proliferation of Skin Stem Cells

My question: Since it is already an approved drug, would topical application of cyclosporine A help in slowing or possibly even regrowing hair?

Since this drug is not approved by the FDA for use in treating hair loss, I would strongly discourage you from using it for that purpose. We know that cyclosporine, as it is used now, has many side effects which would make it not worth taking, as it could negatively impact you. This is a dangerous drug used for treating difficult medical conditions. On the positive side, this study will only help further our understanding of hair stem cells and potential new treatments for hair loss.


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