August 2026 in “Biology Bulletin Reviews” This study found that extracts from Avicennia marina, Moringa oleifera, and Calotropis procera demonstrated strong antibacterial, antioxidant, and hair-growth-promoting properties, with A. marina showing the most pronounced effects.
September 2024 in “International Journal of Molecular Sciences” This study found that hot water extract of Hydrangea serrata leaf and hydrangenol promoted hair growth by enhancing 5α-reductase inhibitory activity, stimulating dermal papilla cell growth, and exhibiting anti-inflammatory and anti-androgenic effects in cell cultures, mice, and human skin organoid models.
April 2019 in “Journal of Investigative Dermatology” This study reported that a Maca hydrolysate extract protected human hair follicles from oxidative and inflammatory stress and promoted hair growth in ex vivo models, suggesting a potential use for managing hair loss.
October 2024 in “Current Trends in Biotechnology and Pharmacy” In this study, researchers developed a halal shampoo containing Centella asiatica and Phyllanthus emblica extracts, finding that a formula with specific concentrations exhibited high antioxidant activity and ideal physicochemical properties for hair cleansing and potential hair growth promotion.
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October 2018 in “International Journal of Green Pharmacy” This study suggested that an herbal shampoo containing Piper betle and Psidium guajava leaves extract may promote hair growth due to its antioxidant properties and showed stability for two months.