Thymic peptides differentially modulate human hair follicle growth
J Invest Dermatol. 2012 May;132(5):1516-9. doi: 10.1038/jid.2012.2. Epub 2012 Mar 8.Meier N, Langan D, Hilbig H, Bodó E, Farjo NP, Farjo B, Armbruster FP, Paus R.

This article published in the Journal of Investigative Dermatology last year, described a research collaboration between us at Farjo, University of Manchester and University of Lubeck in Germany.

We investigated the effect of a number of different thymic peptides (protein extracts originating from the thymus gland) on hair growth in organ culture. This was influenced by a number of commercial products that make controversial and unproven claims alleging the promotion of hair growth.

In summary, we demonstrated that some thymic peptides indeed do have a positive influence on hair growth, but crucially others actually inhibited growth. Attaining the right balance of these peptides must be key. Whether this is possible in clinical practice and worth the effort is another matter altogether and is the subject of further research.

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