February 2026 in “Cureus” This review highlights that castor oil has potential dermatological uses, including enhancing hair luster, reducing hyperpigmentation, and improving skin hydration and elasticity, although rare side effects like contact dermatitis occur, necessitating further research to confirm its effectiveness in these applications.
July 2023 in “International Journal of Molecular Biology and Biochemistry” This study reports that hair oil formulations using Arnica montana in castor and mustard oil bases showed effective results in quality and quantitative analysis through UV visible spectrophotometer, FTIR, and HPTLC testing methods.
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February 2024 in “International Journal of Pharmaceutical Sciences Review and Research” This study suggests that a herbal oil formulation combining various plant and oil ingredients may effectively promote healthy hair growth and address concerns like baldness, dryness, and dandruff, supported by favorable evaluations of its physical and chemical properties.
June 2026 in “International Journal of Drug Delivery Technology” In this study, researchers developed a polyherbal hair growth oil using botanical substances and base oils like coconut and castor oil, finding it to be stable, non-irritating, and suggesting potential hair-growing properties through mechanisms such as scalp blood flow improvement and anti-inflammatory effects.
March 2025 in “International Journal For Multidisciplinary Research” This study reports that Murraya koenigii (curry leaf) extract, rich in bioactive compounds, shows potential in promoting hair growth and improving scalp health through increased follicle density, reduced hair loss, and antimicrobial effects, with clinical trials supporting these benefits.
