December 2023 in “International Journal of Health and Pharmaceutical” A mix of 80% coconut oil and 20% candlenut oil best promotes hair growth.
July 2020 in “International journal of biology sciences” Coconut oil mixed with egg yolk and vitamin E may improve rabbit hair growth more than other plant oils.
February 2024 in “Journal of applied pharmaceutical research” Herbal hair oils with Coconut, Curry leaves, Amla, Fenugreek, and Onion promote hair growth and are safe.
November 2025 in “International Journal for Research in Applied Science and Engineering Technology” The herbal hair oil made with natural ingredients effectively reduces hair fall, dandruff, and prevents premature graying.
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January 2021 in “Journal of Saudi Chemical Society” Watercress oil may promote hair growth by activating specific receptors.