December 2021 in “Prosiding Seminar Nasional Kesehatan” Bandotan leaf extract effectively promotes hair growth.
March 2022 in “Journal of drug delivery and therapeutics” Sea hibiscus leaf extract at 30% concentration in a hair tonic significantly increased hair growth in guinea pigs.
June 2023 in “MPI (Media Pharmaceutica Indonesiana)” A hair tonic made from kale leaves is effective for hair growth and meets Indonesian standards.