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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March 2022 in “Protection convergence” This study found that double-fermented green coffee bean extracts displayed strong antioxidant, anti-inflammatory, and dermal papilla cell growth-promoting activities, suggesting potential use in cosmetics for scalp and hair health.
December 2025 in “Revista em Agronegócio e Meio Ambiente” This study investigated the effects of ultrasound-assisted extraction on sunflower seed oil mixed with defective green coffee grains, finding that higher coffee grain ratios decreased oil yield but increased phenolic content and antioxidant activity, with potential applications for wound treatment.
May 2024 in “Journal of functional foods” In this laboratory study, coffee bean residue extract was observed to promote the proliferation of human hair follicle dermal papilla cells by activating autophagy, showing potential for treating hair growth disorders and hair loss.
3 citations
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January 2023 in “International Journal of Cosmetic Science” This review discusses recent patents on the cosmetic use of coffee and its by-products, highlighting their potential as promising topical formulation ingredients with skin health benefits.
