December 2025 in “International Journal of Research in Dermatology” This clinical study in healthy Indian adults found that a four-month application of an Ayurvedic leave-on treatment significantly increased natural black hair density, reduced grey hair count, and was well-tolerated without adverse effects, suggesting its efficacy and safety for treating premature hair greying.
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August 2021 in “International journal of cosmetic science (Print)” This study reported that using piroctone olamine in either a shampoo or leave-on product form significantly increased hair retention and improved scalp condition in women with perceived hair thinning.
December 2015 in “Biomedical and biopharmaceutical research” This study found that hair care formulations containing argan oil were stable and demonstrated better spreadability and texture profiles compared to those without argan oil.
September 2026 in “International Journal for Research in Applied Science and Engineering Technology” This review discusses the potential benefits of rosemary-based hair growth serums, noting that rosemary oil showed comparable results to 2% minoxidil in improving hair parameters for androgenetic alopecia, though more research is needed on standardized formulations.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” In this study, researchers developed and evaluated a herbal hair growth serum using natural ingredients like olive oil, peppermint oil, and hibiscus extracts, aiming to enhance scalp health, strengthen hair follicles, and promote hair growth.
