April 2023 in “Acta Poloniae Pharmaceutica” Herbal extract shampoo increased certain minerals in hair and improved hair growth and scalp health.
June 2025 in “International Journal of Environmental Sciences” The herbal shampoo with Sapindus emarginatus and Curcuma longa was most liked and effective against bacteria.
September 2022 in “International journal of pharmaceutical quality assurance” The herbal shampoo is less damaging and improves hair's appearance.
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November 2023 in “International Journal For Multidisciplinary Research” Herbal shampoos are safer and perform well, but need more research to improve quality.
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July 2020 in “Journal of Applied Pharmaceutical Science” This systematic review evaluated 63 randomized controlled trials (RCTs) on phytochemicals and natural ingredients for skin and hair care, involving 3,439 subjects. It found significant improvements in skin conditions like melasma, hyperpigmentation, and acne, as well as hair growth and quality, with natural products such as Polypodium leucotomos, Camellia sinensis, and Centella asiatica. However, results varied across studies, and some interventions did not show significant effects. The review highlighted the potential benefits of natural ingredients but emphasized the need for larger and more robust RCTs to confirm their efficacy, noting concerns about biases and the generalizability of findings.