June 2025 in “International Journal for Research in Applied Science and Engineering Technology” This study evaluated the physicochemical properties of an herbal shampoo formulated with natural ingredients like hibiscus and henna and compared it to a common marketed shampoo, finding it effectively replaced some chemical components with safer alternatives while maintaining similar characteristics.
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December 2021 in “Annals of phytomedicine” This study found that a herbal hair dye formulated with a 1:2 ratio of henna and indigo successfully colored unpigmented hair dark brown to black, with favorable attributes compared to synthetic dyes.
January 2023 in “Zenodo (CERN European Organization for Nuclear Research)” This study evaluated a herbal hair oil formulation, including ingredients like Curry leaves and Coconut oil, for its potential to enhance hair growth compared to purified Coconut Oil alone.
July 2021 in “Clinical Case Reports and Clinical Study” This article discusses the formulation and potential benefits of herbal hair gels, highlighting their moisturizing properties and fewer side effects compared to marketed synthetic alternatives, but reports no experimental results.
August 2022 in “Zenodo (CERN European Organization for Nuclear Research)” This study evaluated various herbal combinations for hair coloring and found that a formulation of Henna and Indigo provided a natural reddish-brown color with better retention compared to marketed herbal hair dyes, without using synthetic agents that can cause allergic reactions.