13 citations
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December 2011 in “Korean Journal of Food Science and Technology” This study suggests that black soybean extract promotes hair growth and improves scalp health by enhancing blood circulation and cellular proliferation, although further human studies are needed to verify these effects.
1 citations
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August 2017 in “Journal of food and nutrition research” This study found that the black bean-licorice-biotae folium extract may improve hair diameter, scalp moisture, and sebum secretion, although its effect on hair density was not significant.
January 2025 in “Journal of Medicinal Food” This abstract mentions that while synthetic drugs like minoxidil and finasteride for androgenic alopecia have side effects, the characteristics of popular natural alternatives, such as soybean, remain largely unreported, despite consumer preference for these products.
January 2018 in “Figshare” This study found that a high-sesquiterpene extract from Curcuma aeruginosa slowed axillary hair growth in women by 22% compared to placebo over 12 weeks, with results delayed by 6 weeks, and participants reported satisfaction without adverse effects.
This study on albino mice found that hair tonic formulations using methanolic and ethanolic extracts of Beta vulgaris L. promoted hair growth, with the ethanolic extract showing greater effectiveness in terms of length and diameter, potentially due to antioxidant and anti-inflammatory effects.