4 citations
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May 2014 in “Pharmaceutical Biology” Glycyrrhizic acid from sweet licorice can effectively remove hair without skin irritation.
1 citations
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October 2021 in “Gene, cell and tissue” Grape sap may help reduce hair loss and promote hair growth in rats.
3 citations
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January 2019 in “Research journal of pharmacy and technology” The hair tonic with menthol grew longer hair, but both formulas had similar overall hair growth.
3 citations
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October 1979 in “Laboratory animals” Hairless rats are good for testing anti-inflammatory drugs, similar to haired rats, without needing to remove fur.
September 2010 in “International Journal of Cosmetic Science” Chemical treatments change hair surface properties, making it more hydrophilic and able to bind conditioners.