December 2022 in “Journal of Tropical Pharmacy and Chemistry” This study evaluated a hair tonic formulated from oil palm leaf extract, finding it demonstrated very strong antioxidant activity and could prevent hair decolorization from sun exposure, with effective concentrations ranging from 25 to 200 ppm.
1 citations
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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.
In this study, researchers found that aloe vera hair tonic preparations containing 10% and 15% extract concentrations significantly enhanced hair growth in rats and remained physically stable across various temperature conditions.
188 citations
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October 2012 in “The AAPS Journal” This review discusses strategies for developing semi-solid topical generic products to match the quality of reference-listed drugs, using concepts like quality by design and reverse-engineering, but reports no new results.
1 citations
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November 2021 in “Jurnal Farmasi Indonesia” In this study, three hair tonic formulas containing Kayu Secang extracts demonstrated hair growth activity in rabbits, with the chloroform-methanol fraction showing the most significant results.