May 2026 in “Jurnal Riset Kefarmasian Indonesia” This study measured caffeine content in ethanolic extracts of robusta coffee beans, finding 221.58 mg of caffeine per gram of extract, which aligns with known levels for Coffea canephora.
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.
October 2025 in “Food science and nutrition” This chapter explores the evolving cultural and scientific significance of coffee, highlighting how traditional beliefs, brewing innovations, and globalization have shaped its consumption and cultural impact across different societies.
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January 2018 in “Cosmetics” This review highlights the potential of coffee silverskin's bioactive compounds in combating skin aging and related conditions, suggesting it as a promising natural ingredient for cosmetics due to its antioxidant, anti-inflammatory, and anti-aging properties.
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January 2025 in “Pharmaceuticals” This review highlights the potential of Coffea arabica as an active ingredient in skincare, noting its bioactive compounds from leaves and beans show promising anticellulite, anti-inflammatory, antioxidant, and anti-aging properties, with unique phenolic concentrations in leaves offering enhanced skin benefits.