May 2026 in “Jurnal Riset Kefarmasian Indonesia” Robusta coffee beans have high caffeine content, useful for products like hair growth stimulants.
July 2023 in “International journal of research publications” Green coffee bean extract didn't grow hair but reduced a hair loss-related enzyme in rats.
October 2025 in “Food science and nutrition” Coffee has evolved into a cultural symbol influenced by science, health, and global trends.
May 2024 in “Journal of functional foods” Coffee bean residue extract helps hair growth by activating cell processes.
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January 2018 in “Cosmetics” Coffee silverskin may be a beneficial and safe ingredient for cosmetics, offering hydration, firmness, and potential hair growth benefits.