April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The serum helps make hair thicker, stronger, and healthier.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The serum promotes thicker, stronger, and healthier hair.
April 2023 in “Journal of Investigative Dermatology” Cinchona succirubra extract with caffeine improves hair growth and reduces hair loss.
January 2021 in “AIP conference proceedings” A hair serum made from coffee by-products can promote hair growth and is safe, but needs less stickiness.
May 2025 in “Journal of Cosmetic Dermatology” Cuticapil Stem Hair Serum improves hair growth and reduces shedding when added to minoxidil.