June 2024 in “British Journal of Dermatology” This study reviewed evidence on hair oils' effects on hair health and found that coconut-based oils may protect hair during prewash by reducing porosity and improving tensile strength, while rosemary oil showed evidence for promoting hair growth in androgenetic alopecia.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” This review highlights that natural hair oils, rich in bioactive compounds, provide multifunctional benefits like reducing protein loss and enhancing shine, but must balance efficacy with safety and sustainability for ongoing cosmetic relevance.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” This study highlights the multifunctional benefits of natural hair oils, like coconut and argan, for nourishing and protecting hair, while addressing safety and sustainability as key factors in their evolving use and formulation within cosmetic science.
November 2023 in “International Journal of Advanced Research in Science, Communication and Technology” This study found that using a formulated herbal hair oil, which includes ingredients like Nigella sativa and Cocos nucifera, reduced hair fall progressively over periods ranging from 15 to 90 days among 25 volunteers, showing greater efficacy than simple purified coconut oil.
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.
