February 2022 in “Journal of Cosmetic Dermatology” This study found that pre-treating hair with argan oil reduced protein loss and provided protection against oxidative damage, supported by both ATR spectrum analysis and protein measurements.
September 2023 in “Cumhuriyet science journal” This study investigated the antioxidant capacities of essential oils from myrtle and orange commonly used in the Adana region and found that myrtle essential oil exhibited a higher antioxidant activity than orange essential oil when tested with the DPPH assay.
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October 2018 in “International Journal of Green Pharmacy” This study suggested that an herbal shampoo containing Piper betle and Psidium guajava leaves extract may promote hair growth due to its antioxidant properties and showed stability for two months.
This study found that pectin lyase-modified red ginseng extract (GS-E3D) may promote hair growth by enhancing antioxidant and anti-inflammatory effects, proliferating hair dermal papilla cells, and inhibiting 5α-reductase activity.
October 2025 in “Journal of Molecular Structure” Hyaluronic acid microneedles help deliver minoxidil derivatives effectively for hair regrowth.