TLDR Castor oil may improve hair and skin health with minimal side effects.
This narrative review explores the dermatological applications of castor oil, emphasizing its potential benefits and safety. Evidence suggests that castor oil may improve hair luster and combat androgenic alopecia by inhibiting prostaglandin D2 synthesis. It is also effective in reducing hyperpigmentation and enhancing skin hydration, elasticity, and signs of aging due to its antioxidant properties. Additionally, castor oil is used in formulations to enhance drug penetration and cleansing with minimal irritation. While generally safe, rare adverse effects like contact dermatitis and hair felting have been noted. Overall, castor oil is a promising and versatile agent in dermatology, meriting further clinical research.
February 2024 in “Bangladesh pharmaceutical journal” The herbal hair oil increased hair growth and reduced hair fall for most users without significant side effects.
2 citations
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July 2022 in “PubMed” Coconut oil helps with brittle hair and infestations, castor oil may improve hair shine, and argan oil lacks evidence for hair benefits.
3 citations
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October 2021 in “Clinical, Cosmetic and Investigational Dermatology” Setipiprant did not significantly improve hair growth in men with hair loss.
40 citations
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August 2018 in “Skin appendage disorders” Some alternative treatments for hair loss might work, but more research is needed.
4 citations
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January 2017 in “International journal of trichology” Castor oil can cause severe hair matting.
30 citations
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October 2015 in “Journal of Ethnopharmacology” Herbal compounds like ricinoleic acid, quercetin-3-O-rutinoside, and hinokiflavone may be safe and effective for treating hair loss.
205 citations
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March 2012 in “Science Translational Medicine” PGD2 stops hair growth and is higher in bald men with AGA.
