19 citations
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July 1993 in “Journal of Applied Toxicology” Different oil products cause varying levels of skin irritation in mice, which could potentially lead to tumors.
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.
February 2026 in “Cureus” Castor oil may improve hair and skin health with minimal side effects.
May 2022 in “Research Square (Research Square)” OBEME effectively enhances wound healing and could be a promising carrier for skin treatments.
23 citations
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January 2001 in “International journal of toxicology” St. John's Wort extract and oil safety in cosmetics is unclear; more data needed on photosensitization, toxicity, and human irritation.