May 2026 in “Jurnal Riset Kefarmasian Indonesia” Robusta coffee beans have high caffeine content, useful for products like hair growth stimulants.
August 2024 in “Cosmetics” Caffeine is beneficial for skin and hair treatments but needs better delivery methods to penetrate deeper skin layers.
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March 2022 in “Protection convergence” Fermented green coffee beans may be good for scalp and hair health cosmetics.
January 2026 in “AAPS PharmSciTech” Liposomal formulations with caffeine and cafestol enhance skin penetration effectively.
October 2025 in “Food science and nutrition” Coffee has evolved into a cultural symbol influenced by science, health, and global trends.