January 2025 in “Dermatologic Therapy” In this study, the combination of topical minoxidil and betamethasone was found to be more effective for hair regrowth and patient satisfaction in alopecia areata patients compared to betamethasone alone or with herbal oils, though further randomized trials are recommended.
January 2023 in “Journal of Survey in Fisheries Sciences” This study found that a polyherbal hair repair oil significantly increased hair growth and demonstrated promising efficacy and safety compared to other oils in a rat model.
April 2025 in “Research Journal of Topical and Cosmetic Sciences” This study developed and evaluated a herbal hair oil formulated with various plant extracts, reporting significant enhancement in hair growth activity in human models compared to controls, alongside promising physicochemical properties and safety indicators.
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.