January 2010 in “Jounal of The Korean Society of cosmetology” Rosemary oil may promote hair growth by enhancing enzyme activities and IGF-1 expression.
January 2008 in “한국미용학회지” This study found that in a shaving animal model of mice, increased enzyme activities and gene expression correlated with enhanced hair growth, suggesting they are good biomarkers in the anagen phase.
This study found that rosemary oil significantly increased enzyme activities and IGF-1 mRNA expression related to hair growth in the skin of C57BL/6 mice.
August 1994 in “Journal of dermatological science” Different substances affect hair and skin cell growth in various ways, with some promoting and others inhibiting cell proliferation.
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January 2010 in “Acta Histochemica Et Cytochemica” This study found that patients with alopecia areata and androgenetic alopecia showed increased c-kit expression and decreased Ki-67 expression in hair follicle cells compared to controls, suggesting a possible feedback mechanism involving stem cell factor signaling.