July 2023 in “Journal of Natural Remedies” Shell ginger contains kavalactones that promote hair growth and have anti-cancer, anti-inflammatory, and anti-obesity effects.
44 citations
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January 2007 in “Biological & pharmaceutical bulletin” Black pepper leaf extract contains compounds that can block testosterone effects and promote hair growth.
October 2021 in “Research Society and Development” Herbal medicines can reduce the effectiveness of birth control pills.
2 citations
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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.