October 2023 in “Jurnal Ilmu Kefarmasian Indonesia” Cinnamon essential oil and virgin coconut oil hair tonic promoted hair growth, with the highest concentration performing better than the positive control.
May 2023 in “Jurnal farmasi sains dan praktis” The hair tonic with cinnamon oil and coconut oil was stable and caused very mild irritation.
Cinnamon oil works as well as minoxidil for hair growth.
June 2025 in “Pharmacon Jurnal Farmasi Indonesia” Mangkokan leaves may help hair growth and health.
June 2025 in “JURNAL BIOLOGI TROPIS” Herbal compounds might help hair growth, but more testing is needed.