46 citations
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February 1983 in “The Journal of Dermatology” This study observed that hair regrowth in mice was irregular and delayed more in older mice, with increased enzyme activities in hair re-growing areas compared to non-growing areas.
January 2010 in “Jounal of The Korean Society of cosmetology” Rosemary oil may promote hair growth by enhancing enzyme activities and IGF-1 expression.
This study reported that methanolic extracts from marine sponges, particularly Petrosia sp. and Agelas nakamurai, showed significant enzyme inhibitory activities, with Petrosia sp. exhibiting notable 5?-reductase inhibition.
4 citations
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January 1997 in “EXPERIMENTAL ANIMALS” This study suggests that increased activity of the histamine synthesizing enzyme histidine decarboxylase may play a role in initiating the anagen phase of hair regrowth in mice.