October 2024 in “JURNAL ILMU KEFARMASIAN INDONESIA” This study found that the F6 formulation of a hair tonic containing EDS and ATG extracts produced the most significant hair growth in rabbits, without causing skin irritation and remaining stable throughout the observation period.
16 citations
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January 1980 in “Planta Medica” This study found that alcoholic extracts of Cinchona succirubra, Dictamnus dasycarpus, Brassica juncea, and Sophora flavescens promoted hair growth in 5-week-old mice.
8 citations
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September 2022 in “Biointerface Research in Applied Chemistry” This review examines the pharmacological potential of quinoline alkaloids from Cinchona bark for developing new drugs and cosmetics but reports no new findings.
79 citations
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March 1999 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that procyanidin oligomers, particularly dimers and trimers, significantly promoted hair growth in mice and hair epithelial cell cultures, suggesting potential use as hair growth agents.
1 citations
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January 2022 in “Indonesian Journal of Pharmaceutical Science and Technology” This study evaluated a 20% cinchona extract cream and found it increased hair growth length and mass in guinea pigs, demonstrated good physical stability, and did not irritate rabbit skin.