December 2023 in “International Journal of Health and Pharmaceutical” Green betel leaf extract cream helps improve hair growth and health.
August 2023 in “Skin Research and Technology” BLH308, with persimmon leaf, green tea, and sophora fruit extracts, safely increased hair density and thickness.
December 2021 in “Ad-Dawaa' Journal of Pharmaceutical Sciences” Green tea and celery leaf extracts in hair tonic promoted hair growth in guinea pigs, with the best results at specific concentrations.
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August 2022 in “Korean journal of medicinal crop science/Han-gug yagyong jagmul hag-hoeji” BLH308, made from persimmon leaf, green tea, and sophora fruit, may help reduce hair loss by fighting oxidative stress and inflammation.
January 2026 in “International Journal of Health Engineering and Technology” Green spinach leaf extract at 15% concentration promotes hair growth in rabbits.