ves mentioned there arelikewise used.Tinctures and solutions usually comprise an aqueous-ethanolic base to which, humectants for reducing evaporation, such as polyalcohols, for example glycerol, glycols and/or polyethylene glycol, and re-oiling substances, such as fatty acid esterswith lower polyethylene glycols, i.e. lipophilic substances soluble in the aqueous mixture to substitute the fatty sub