February 2024 in “Trends in Sciences” This study examined the stability of two 5α-reductase inhibitors in Tectona grandis extracts, finding that they are more stable in acidic environments and degrade rapidly under heat and light unless protected, suggesting the need for careful storage when developing anti-hair loss medications.
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January 2022 in “Journal of Oleo Science” This study found that an aqueous extract of Phyllanthus emblica, primarily containing gallic acid, can activate hair growth gene expression and is effectively delivered to hair follicles using transfersomes.
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January 1996 in “Journal of Forensic Sciences” This study found that rhodamine B penetrated human hair fibers more effectively from an aqueous solution compared to a methanol/ethanol solvent, with penetration depending on hair morphology.
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November 2009 in “Korean journal of chemical engineering” This study found that the nonionic surfactant Brij 78 stabilized cationic minoxidil microparticles against aggregation, maintaining their substantivity in the presence of excess anionic surfactant.
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November 2023 in “International Journal For Multidisciplinary Research” In this review, the researchers explored the formulation and evaluation of a pure herbal shampoo using plant extracts, aiming to compare its physicochemical properties with synthetic and other herbal shampoos, and concluded that consumer expectation shifts towards safety and efficacy could enhance herbal shampoo popularity.