July 2023 in “International journal of research publications” In this study, topical application of 45% robusta green coffee bean extract in male wistar rats did not significantly enhance hair growth but effectively inhibited the increase of 5α-reductase type 1 levels when exposed to testosterone.
1 citations
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October 2015 in “The Pharma Innovation Journal” This study found that the optimal method to introduce Saw Palmetto extract into emulsion bases for androgenic alopecia treatment involves mixing it with 48% ethanol at the end of the formulation process.
July 2023 in “Research journal of pharmacy and technology” In this study on male rabbits, a hair tonic formulated with delipidated ethanol extract of Capsicum frutescens L. leaves at concentrations of 5%, 10%, and 20% promoted hair growth more effectively than a placebo and similar to 2% Minoxidil at the highest concentration.
12 citations
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May 2013 in “International Journal of Dermatology” This study found that a non-ionic ethosomal carrier system significantly improved the delivery and adsorption of black tea extracts onto hair surfaces in vitro, suggesting its potential as a hair dye and protective agent.
January 2021 in “International journal of pharmaceutical research” In this study, the researchers found that the ethyl acetate fraction of Sansevieria trifasciata P. (20%) was just as effective as minoxidil (2%) in promoting hair growth in male rabbits, with notable results in hair follicle proliferation and a favorable anagen to telogen ratio.