Abreva

1-Docosanol, also known as behenyl alcohol, is a saturated fatty alcohol containing 22 carbon atoms, used traditionally as an emollient, emulsifier, and thickener in cosmetics,[3] and nutritional supplement (as an individual entity and also as a constituent of policosanol).[citation needed] More recently, docosanol has been approved by the Food and Drug Administration (FDA) as a pharmaceutical antiviral agent[4] for reducing the duration of cold... [wikipedia]