December 2025 in “Dietetics” This paper reviewed studies from 2019 to 2025 on the use of olive oil and other derivatives from the European olive tree for skin, hair, and nail care, noting their roles in wound healing and skin aging while highlighting a favorable safety profile.
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.
May 2024 in “International Journal For Multidisciplinary Research” The study developed a hair cream using extracts from plants like Hibiscus rosa sinensis and Nigella sativa, reporting that it may protect the scalp and hair by providing antimicrobial effects, promoting hair growth, and preventing hair fall and graying.
June 2021 in “World Journal Of Advanced Research and Reviews” In this study, researchers evaluated emulsions made with natural plant extracts and oils on guinea pigs, finding that a specific hydrophilic/lipophilic balance and globule size led to a stable emulsion and stimulated hair growth.
November 2023 in “Scholars journal of applied medical sciences” This study conducted in Rabat surveyed 100 individuals with afro-textured hair to identify plant-based treatments, finding twelve plant species purportedly effective in managing hair issues, with Ricinus communis, Cocos nucifera, and Aloe barbadensis being the most frequently cited.