December 2024 in “Journal of Student Research” In this study, the researchers observed that using a shampoo containing hibiscus extract every two days was more effective at reducing hair loss among a small group of cosmetology students compared to using it every three days.
January 2016 in “Jurnal Farmasi Indonesia” In this study, hibiscus leaf extract hair tonic at 10% concentration showed better hair growth promotion activity compared to minoxidil 2% in a rabbit model, although it caused eye irritation.
This study found that a 10% hibiscus leaf extract hair tonic demonstrated better hair growth activity than 2% minoxidil in rabbits but caused eye irritation.
December 2025 in “eTheses of Maulana Malik Ibrahim State Islamic University (Maulana Malik Ibrahim State Islamic University)” In this laboratory study, the researchers reported that an ethnomedicinal hair growth formula from East Nusa Tenggara, incorporating Kemiri, Kembang sepatu, Beringin, Mangkokan, and Waru, demonstrated significant antioxidant activity and effectively stimulated hair growth, suggesting potential development as a natural cosmeceutical.
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July 2022 in “Bandung Conference Series. Pharmacy” This study found that a hair tonic formulation using candlenut oil as an active ingredient could significantly promote hair growth in rabbits, achieving 29.77 mm in 22 days.