This study found that varying the concentration of propylene glycol in katuk leaf extract hair tonic formulations significantly affects the viscosity, highlighting the importance of propylene glycol concentration in maintaining the physical characteristics of these preparations.
7 citations
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January 2019 in “Journal of Pharmacy And Bioallied Sciences” This study identified the major component of katuk leaf water extract as an alkaloid compound with a molecular mass of 406.3131 m/z, named (S, S)-5,5′-amino-4,4′-dihexyl-propyldihydropyrazol-3,3′-one.
581 citations
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February 1998 in “The American Journal of Medicine” This review discusses the potential adverse effects of herbal remedies, such as allergic reactions and drug interactions, and reports no new clinical findings; the authors suggest the risks might be underestimated.
1 citations
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October 2018 in “International research journal of pharmacy” This study found that ethanol extract and n-hexane fraction of rampai leaves may stimulate hair growth in rabbits, showing potential as an anti-alopecia treatment.
January 2026 in “International Journal of Health Engineering and Technology” In this study, researchers evaluated the effects of green spinach leaf extract on hair growth in New Zealand rabbits and found that the 15% concentration formula resulted in the highest average hair growth compared to other concentrations and controls.