March 2023 in “Kemija u Industriji” This article reviews the industrial applications and chemical composition of castor oil, highlighting its role as a raw material in producing various products, but reports no new results.
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January 2019 in “American Journal of Applied Chemistry” Castor oil is suitable for use in hair care products.
December 2021 in “Asian journal of pharmaceutical and clinical research” In this study, researchers formulated a polyherbal hair oil using ingredients like coconut and castor oils, and reported that it boosts hair growth, reduces hair fall and dandruff, and adds shine, with minimal adverse effects compared to market formulations.
January 2026 in “BioMed Research International” This study observed that a combination of rosemary and castor oils promoted hair growth in a mouse model, showing similar hair length trends to 2% minoxidil. However, results from this murine model cannot be directly applied to humans.
June 2021 in “Zenodo (CERN European Organization for Nuclear Research)” This study evaluated the stability and capillary growth-stimulating activity of emulsions made with natural plant extracts and oils in vivo on guinea pigs, finding that specific hydrophilic/lipophilic balance and globule size contribute to a stable and effective formulation.