January 2025 in “International Journal of Veterinary Science” In this animal study, hibiscus leaf simplicia ointment was found to protect red blood cell levels and promote better hair growth in UV-exposed rats, though it did not maintain normal skin histology; the ointment showed no significant acute dermal toxicity.
16 citations
,
September 2018 in “Journal of Ethnopharmacology” This review discusses the role of inheritance, androgens, and microinflammation in androgenetic alopecia and suggests some plant-based folk remedies may help address these factors but reports no new clinical results.
December 2022 in “Journal of Tropical Pharmacy and Chemistry” This study evaluated a hair tonic formulated from oil palm leaf extract, finding it demonstrated very strong antioxidant activity and could prevent hair decolorization from sun exposure, with effective concentrations ranging from 25 to 200 ppm.
May 2023 in “Pharma xplore : jurnal sains dan ilmu farmasi” In an animal study, researchers found that a hair tonic containing a 1:1 ratio of kelor and rambutan leaf extracts led to similar hair growth in rabbits compared to a minoxidil control, with average hair lengths of 3 cm versus 2.025 cm, respectively.
March 2023 in “Jurnal Ilmiah Medicamento” In this study, herbal hair tonic made from Usada Bali ingredients significantly increased hair growth in mice without causing skin irritation compared to a negative control.