8 citations,
June 1995 in “Helvetica Chimica Acta” Compound 15a was effective in inhibiting 5α-reductase.
5 citations,
October 2013 in “Experimental Dermatology” The commentary explains that a balance of HR protein and putrescine is important for normal hair growth.
349 citations,
January 2005 in “The FASEB journal” Human skin can make serotonin and melatonin, which help protect and maintain it.
252 citations,
January 2008 in “Trends in Endocrinology and Metabolism” Melatonin in the skin helps protect against damage from stress and UV rays, and could be used to treat certain skin conditions.
138 citations,
November 2015 in “Journal of Pharmacology and Experimental Therapeutics” Protoporphyrin IX is useful in cancer treatment but can cause health problems if not properly regulated.