Certain natural products may help stimulate hair growth by affecting stem cell activity in the scalp.
January 2023 in “Theranostics” A patch with curcumin-zinc can improve hair growth and health by delivering beneficial particles to the skin, increasing hair follicles, and reversing effects of a hair loss hormone.
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April 2016 in “Pharmaciana” Green tea and gotukola extract mix helps hair grow, with the best results from 5% green tea and 2.5% gotukola.
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August 2022 in “Animals” Essential oils may improve dogs' health and melatonin can help with their sleep and anxiety, but both should be used carefully.