TLDR The Laxometer helps make hair transplants with many grafts safer.
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December 2020 in “한국인그리에학회지” Astringent persimmon fruit extract may help hair grow longer and cover more area without increasing the number of hair follicles.
April 2012 in “韓國藥用作物學會誌 = Korean journal of medicinal crop science” Rosa multiflora root extract promotes hair growth and prevents hair loss.
98 citations,
May 2008 in “Archives of Dermatological Research” Eclipta alba extract helps hair grow faster and more effectively than minoxidil in rats.