August 2021 in “International Journal of Research in Dermatology” This study observed that Amarantha hair oil contains β-sitosterol, which is suggested to promote hair growth.
December 2025 in “International Journal of Pharmaceutical Sciences Review and Research” In this study, a newly developed polyherbal hair oil exhibited promising characteristics, including a beneficial pH and antimicrobial activity against Staphylococcus aureus, with preliminary tests suggesting it supports scalp and hair health without adverse effects.
February 2020 in “Journal of emerging technologies and innovative research” This study developed a multipurpose herbal hair emulgel incorporating aloe vera, tea extract, coconut oil, and castor oil, aimed at promoting hair growth and controlling dandruff, hair fall, and greying. Evaluation found the product to be stable.
December 2024 in “International Journal of Advanced Research in Science Communication and Technology” In this study, researchers prepared a herbal hair tonic using virgin coconut oil and nine herbs, evaluating its antibacterial, antifungal activities, and benefits for hair strength, with variations in ingredient concentrations and analyses for consistency and appearance.
April 2025 in “Mutiara Jurnal Penelitian dan Karya Ilmiah” In this study of Beauty and Aesthetics students, researchers found that using a hair tonic made from Green Spinach Leaves significantly reduced hair loss when applied weekly, compared to a control, but no significant difference was observed when increasing application to twice weekly.