4 citations
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October 2017 in “International Journal of Applied Pharmaceutics” Licorice extract hair tonics are effective and safe for hair growth, except for mild eye irritation at the lowest concentration.
November 2023 Glycyrrhizic acid and licorice extract can significantly reduce unwanted hair growth.
1 citations
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June 2018 in “Pharmaciana” The hair tonic with 15% ethanol effectively promotes hair growth.
3 citations
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March 2021 in “International journal of pharmaceutical sciences review and research” Licorice has many health benefits but more research is needed to fully understand them.
72 citations
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June 2019 in “International Journal of Cosmetic Science” 18β-glycyrrhetinic acid from licorice root is good for skin and hair treatments but has absorption challenges.