February 2026 in “Journal Educational Research and Development | E-ISSN 3063-9158” This study formulated and evaluated a Moringa oleifera-based shampoo bar, finding it has a safe pH, does not cause irritation, and is favored by 64% of respondents, with potential hair loss reduction benefits and environmental advantages over liquid shampoos.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study formulated and evaluated a herbal shampoo using rice water and willow bark extract, finding that this combination supports healthy hair and scalp care by providing effective cleansing, nourishment, and improved manageability without the harsh effects of synthetic ingredients.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” In this study, researchers formulated a herbal shampoo using rice water and willow bark extract, finding that it could effectively cleanse and nourish hair while protecting the scalp without harsh chemicals.
May 2023 in “Health science reports” This review discusses the harmful effects of coloring shampoos containing trihydroxybenzene on the scalp-skin barrier and emphasizes the need for safer ingredient selection to prevent side effects.
October 2025 in “International Journal of Research and Review” This study highlights the potential benefits of herbal soaps and shampoo bars as eco-friendly alternatives to conventional cosmetics, noting their antibacterial, antifungal, and antioxidant properties as well as sustainability advantages such as reduced plastic use and avoidance of synthetic chemicals.
