February 2022 in “DOAJ (DOAJ: Directory of Open Access Journals)” Retinoic acid reduces cell damage from oxidative stress.
ACA from Alpinia galanga may prevent testosterone-related hair loss.
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August 2013 in “International Journal of Cosmetic Science” Hair greying is caused by oxidative stress damaging hair follicles and melanocytes.
January 2024 in “Archives of Biological Sciences (Beograd)” AP collagen peptides may help hair grow better and become stronger.
December 2022 in “Korean journal of medicinal crop science/Han-gug yagyong jagmul hag-hoeji” Natural extracts like ginseng, green tea, shiitake, and aloe vera may help prevent hair loss by protecting hair-related cells.