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.
61 citations
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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.
8 citations
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June 2022 in “Cosmetics” This study found that coffee berry extract demonstrated anti-aging properties in skin and hair cells, showing significant anti-collagenase activity and stimulating hair-related gene expression, suggesting its potential for use in cosmeceuticals.
5 citations
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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.