July 2022 in “Journal of Investigative Dermatology” This study suggests that using a non-medicated, hypo-allergenic scalp clarifying shampoo may improve hair volume and reduce shedding in women with lichen planopilaris and female pattern hair loss.
June 2026 in “International Journal of Scientific Engineering and Technological Research and Innovations” This review highlights the potential of nanoparticle-based shampoos to improve dandruff treatment and cosmetic performance while noting concerns about nanoparticle toxicity and environmental safety that require further investigation.
April 2023 in “Acta Poloniae Pharmaceutica” This study found that using Urtica cannabina extract shampoo led to increased levels of copper, zinc, and iodine in the scalp hair of Mongolian women, along with improvements in hair growth, diameter, and density compared to a regular shampoo.
14 citations
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January 2020 in “Skin appendage disorders” This study found that a shampoo containing 0.075% broad-spectrum cannabidiol significantly reduced scalp inflammation and symptoms in subjects with mild to moderate scalp psoriasis or seborrheic dermatitis within two weeks.
9 citations
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August 2024 in “Cureus” This study reviewed existing knowledge and research, observing that ketoconazole shampoo is a safe and effective treatment for scalp seborrheic dermatitis, significantly improving irritation and scaling while maintaining low relapse rates and minimal side effects.