20 citations
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August 2020 in “Scientific Reports” Low-dose bisphenol A increases prostate size in rats by affecting certain enzymes.
18 citations
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January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
16 citations
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August 1989 in “PubMed” Retinol and L-cystine improve diffuse hair loss without side effects.
14 citations
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October 2011 L-Lysine may help with various health conditions, but results are inconsistent for herpes treatment and its potential in other therapies is still being explored.
12 citations
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June 2011 in “Journal of applied polymer science” L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.
11 citations
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June 2012 in “Archives of Dermatological Research” L-cystine and vitamin B6 at high doses prevented hair loss in mice treated with a chemotherapy drug.
9 citations
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July 2020 in “Experimental Dermatology” Topical L-thyroxine may help with wound healing and hair growth but should be used short-term due to potential risks.
9 citations
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January 1992 in “Journal of Investigative Dermatology” Sugar molecule helps hair growth, less in balding, returns with treatment.
8 citations
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June 1981 in “Clinica Chimica Acta”
7 citations
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December 2020 in “Pharmaceutics” A mix of tocopherol acetate and L-menthol helps grow hair better than using them separately or using minoxidil.