42 citations
,
February 1996 in “Journal of Investigative Dermatology” Polyamines, especially spermidine, are essential for hair growth.
12 citations
,
February 2010 in “Tetrahedron Letters” New minoxidil compounds with better water solubility were made, but their full effects and safety need more research.
July 2012 in “EFSA supporting publications” The EFSA maintained its view that spermidine's effect on hair growth is related to disease treatment and does not meet the health claim criteria.
2 citations
,
May 2006 in “Journal of Separation Science” The method effectively measures spermidine in hair lotions.
124 citations
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July 1997 in “Journal of Biological Chemistry” Overexpressing a specific enzyme in mice causes hair loss and female infertility.